28904148

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1$

素因数の和:223

約数の個数: 192

約数和(自身を含む): 98219520

約数和(自身を除く): 69315372

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 17, 18, 21, 26, 27, 28, 34, 36, 39, 42, 51, 52, 54, 63, 68, 78, 84, 91, 102, 108, 117, 119, 126, 153, 156, 173, 182, 189, 204, 221, 234, 238, 252, 273, 306, 346, 351, 357, 364, 378, 442, 459, 468, 476, 519, 546, 612, 663, 692, 702, 714, 756, 819, 884, 918, 1038, 1071, 1092, 1211, 1326, 1404, 1428, 1547, 1557, 1638, 1836, 1989, 2076, 2142, 2249, 2422, 2457, 2652, 2941, 3094, 3114, 3213, 3276, 3633, 3978, 4284, 4498, 4641, 4671, 4844, 4914, 5882, 5967, 6188, 6228, 6426, 6747, 7266, 7956, 8823, 8996, 9282, 9342, 9828, 10899, 11764, 11934, 12852, 13494, 13923, 14532, 15743, 17646, 18564, 18684, 20241, 20587, 21798, 23868, 26469, 26988, 27846, 31486, 32697, 35292, 38233, 40482, 41174, 41769, 43596, 47229, 52938, 55692, 60723, 61761, 62972, 65394, 76466, 79407, 80964, 82348, 83538, 94458, 105876, 114699, 121446, 123522, 130788, 141687, 152932, 158814, 167076, 185283, 188916, 229398, 242892, 247044, 267631, 283374, 317628, 344097, 370566, 425061, 458796, 535262, 555849, 566748, 688194, 741132, 802893, 850122, 1032291, 1070524, 1111698, 1376388, 1605786, 1700244, 2064582, 2223396, 2408679, 3211572, 4129164, 4817358, 7226037, 9634716, 14452074, 28904148]

約数ペア:

[(1, 28904148), (2, 14452074), (3, 9634716), (4, 7226037), (6, 4817358), (7, 4129164), (9, 3211572), (12, 2408679), (13, 2223396), (14, 2064582), (17, 1700244), (18, 1605786), (21, 1376388), (26, 1111698), (27, 1070524), (28, 1032291), (34, 850122), (36, 802893), (39, 741132), (42, 688194), (51, 566748), (52, 555849), (54, 535262), (63, 458796), (68, 425061), (78, 370566), (84, 344097), (91, 317628), (102, 283374), (108, 267631), (117, 247044), (119, 242892), (126, 229398), (153, 188916), (156, 185283), (173, 167076), (182, 158814), (189, 152932), (204, 141687), (221, 130788), (234, 123522), (238, 121446), (252, 114699), (273, 105876), (306, 94458), (346, 83538), (351, 82348), (357, 80964), (364, 79407), (378, 76466), (442, 65394), (459, 62972), (468, 61761), (476, 60723), (519, 55692), (546, 52938), (612, 47229), (663, 43596), (692, 41769), (702, 41174), (714, 40482), (756, 38233), (819, 35292), (884, 32697), (918, 31486), (1038, 27846), (1071, 26988), (1092, 26469), (1211, 23868), (1326, 21798), (1404, 20587), (1428, 20241), (1547, 18684), (1557, 18564), (1638, 17646), (1836, 15743), (1989, 14532), (2076, 13923), (2142, 13494), (2249, 12852), (2422, 11934), (2457, 11764), (2652, 10899), (2941, 9828), (3094, 9342), (3114, 9282), (3213, 8996), (3276, 8823), (3633, 7956), (3978, 7266), (4284, 6747), (4498, 6426), (4641, 6228), (4671, 6188), (4844, 5967), (4914, 5882)]