31577364

素因数分解:

$2^2\times 3^6\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:66

約数の個数: 252

約数和(自身を含む): 109898964

約数和(自身を除く): 78321600

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 17, 18, 21, 26, 27, 28, 34, 36, 39, 42, 49, 51, 52, 54, 63, 68, 78, 81, 84, 91, 98, 102, 108, 117, 119, 126, 147, 153, 156, 162, 182, 189, 196, 204, 221, 234, 238, 243, 252, 273, 294, 306, 324, 351, 357, 364, 378, 441, 442, 459, 468, 476, 486, 546, 567, 588, 612, 637, 663, 702, 714, 729, 756, 819, 833, 882, 884, 918, 972, 1053, 1071, 1092, 1134, 1274, 1323, 1326, 1377, 1404, 1428, 1458, 1547, 1638, 1666, 1701, 1764, 1836, 1911, 1989, 2106, 2142, 2268, 2457, 2499, 2548, 2646, 2652, 2754, 2916, 3094, 3159, 3213, 3276, 3332, 3402, 3822, 3969, 3978, 4131, 4212, 4284, 4641, 4914, 4998, 5103, 5292, 5508, 5733, 5967, 6188, 6318, 6426, 6804, 7371, 7497, 7644, 7938, 7956, 8262, 9282, 9477, 9639, 9828, 9996, 10206, 10829, 11466, 11907, 11934, 12393, 12636, 12852, 13923, 14742, 14994, 15876, 16524, 17199, 17901, 18564, 18954, 19278, 20412, 21658, 22113, 22491, 22932, 23814, 23868, 24786, 27846, 28917, 29484, 29988, 32487, 34398, 35721, 35802, 37908, 38556, 41769, 43316, 44226, 44982, 47628, 49572, 51597, 53703, 55692, 57834, 64974, 66339, 67473, 68796, 71442, 71604, 83538, 86751, 88452, 89964, 97461, 103194, 107406, 115668, 125307, 129948, 132678, 134946, 142884, 154791, 161109, 167076, 173502, 194922, 202419, 206388, 214812, 250614, 265356, 269892, 292383, 309582, 322218, 347004, 375921, 389844, 404838, 464373, 501228, 584766, 607257, 619164, 644436, 751842, 809676, 877149, 928746, 1127763, 1169532, 1214514, 1503684, 1754298, 1857492, 2255526, 2429028, 2631447, 3508596, 4511052, 5262894, 7894341, 10525788, 15788682, 31577364]

約数ペア:

[(1, 31577364), (2, 15788682), (3, 10525788), (4, 7894341), (6, 5262894), (7, 4511052), (9, 3508596), (12, 2631447), (13, 2429028), (14, 2255526), (17, 1857492), (18, 1754298), (21, 1503684), (26, 1214514), (27, 1169532), (28, 1127763), (34, 928746), (36, 877149), (39, 809676), (42, 751842), (49, 644436), (51, 619164), (52, 607257), (54, 584766), (63, 501228), (68, 464373), (78, 404838), (81, 389844), (84, 375921), (91, 347004), (98, 322218), (102, 309582), (108, 292383), (117, 269892), (119, 265356), (126, 250614), (147, 214812), (153, 206388), (156, 202419), (162, 194922), (182, 173502), (189, 167076), (196, 161109), (204, 154791), (221, 142884), (234, 134946), (238, 132678), (243, 129948), (252, 125307), (273, 115668), (294, 107406), (306, 103194), (324, 97461), (351, 89964), (357, 88452), (364, 86751), (378, 83538), (441, 71604), (442, 71442), (459, 68796), (468, 67473), (476, 66339), (486, 64974), (546, 57834), (567, 55692), (588, 53703), (612, 51597), (637, 49572), (663, 47628), (702, 44982), (714, 44226), (729, 43316), (756, 41769), (819, 38556), (833, 37908), (882, 35802), (884, 35721), (918, 34398), (972, 32487), (1053, 29988), (1071, 29484), (1092, 28917), (1134, 27846), (1274, 24786), (1323, 23868), (1326, 23814), (1377, 22932), (1404, 22491), (1428, 22113), (1458, 21658), (1547, 20412), (1638, 19278), (1666, 18954), (1701, 18564), (1764, 17901), (1836, 17199), (1911, 16524), (1989, 15876), (2106, 14994), (2142, 14742), (2268, 13923), (2457, 12852), (2499, 12636), (2548, 12393), (2646, 11934), (2652, 11907), (2754, 11466), (2916, 10829), (3094, 10206), (3159, 9996), (3213, 9828), (3276, 9639), (3332, 9477), (3402, 9282), (3822, 8262), (3969, 7956), (3978, 7938), (4131, 7644), (4212, 7497), (4284, 7371), (4641, 6804), (4914, 6426), (4998, 6318), (5103, 6188), (5292, 5967), (5508, 5733)]