31931172

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2$

素因数の和:77

約数の個数: 216

約数和(自身を含む): 108728256

約数和(自身を除く): 76797084

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 19, 21, 26, 27, 28, 36, 38, 39, 42, 52, 54, 57, 63, 76, 78, 81, 84, 91, 108, 114, 117, 126, 133, 156, 162, 171, 182, 189, 228, 234, 243, 247, 252, 266, 273, 324, 342, 351, 361, 364, 378, 399, 468, 486, 494, 513, 532, 546, 567, 684, 702, 722, 741, 756, 798, 819, 972, 988, 1026, 1053, 1083, 1092, 1134, 1197, 1404, 1444, 1482, 1539, 1596, 1638, 1701, 1729, 2052, 2106, 2166, 2223, 2268, 2394, 2457, 2527, 2964, 3078, 3159, 3249, 3276, 3402, 3458, 3591, 4212, 4332, 4446, 4617, 4693, 4788, 4914, 5054, 5187, 6156, 6318, 6498, 6669, 6804, 6916, 7182, 7371, 7581, 8892, 9234, 9386, 9747, 9828, 10108, 10374, 10773, 12636, 12996, 13338, 14079, 14364, 14742, 15162, 15561, 18468, 18772, 19494, 20007, 20748, 21546, 22113, 22743, 26676, 28158, 29241, 29484, 30324, 31122, 32319, 32851, 38988, 40014, 42237, 43092, 44226, 45486, 46683, 56316, 58482, 60021, 62244, 64638, 65702, 68229, 80028, 84474, 87723, 88452, 90972, 93366, 98553, 116964, 120042, 126711, 129276, 131404, 136458, 140049, 168948, 175446, 186732, 197106, 204687, 240084, 253422, 272916, 280098, 295659, 350892, 380133, 394212, 409374, 420147, 506844, 560196, 591318, 614061, 760266, 818748, 840294, 886977, 1140399, 1182636, 1228122, 1520532, 1680588, 1773954, 2280798, 2456244, 2660931, 3547908, 4561596, 5321862, 7982793, 10643724, 15965586, 31931172]

約数ペア:

[(1, 31931172), (2, 15965586), (3, 10643724), (4, 7982793), (6, 5321862), (7, 4561596), (9, 3547908), (12, 2660931), (13, 2456244), (14, 2280798), (18, 1773954), (19, 1680588), (21, 1520532), (26, 1228122), (27, 1182636), (28, 1140399), (36, 886977), (38, 840294), (39, 818748), (42, 760266), (52, 614061), (54, 591318), (57, 560196), (63, 506844), (76, 420147), (78, 409374), (81, 394212), (84, 380133), (91, 350892), (108, 295659), (114, 280098), (117, 272916), (126, 253422), (133, 240084), (156, 204687), (162, 197106), (171, 186732), (182, 175446), (189, 168948), (228, 140049), (234, 136458), (243, 131404), (247, 129276), (252, 126711), (266, 120042), (273, 116964), (324, 98553), (342, 93366), (351, 90972), (361, 88452), (364, 87723), (378, 84474), (399, 80028), (468, 68229), (486, 65702), (494, 64638), (513, 62244), (532, 60021), (546, 58482), (567, 56316), (684, 46683), (702, 45486), (722, 44226), (741, 43092), (756, 42237), (798, 40014), (819, 38988), (972, 32851), (988, 32319), (1026, 31122), (1053, 30324), (1083, 29484), (1092, 29241), (1134, 28158), (1197, 26676), (1404, 22743), (1444, 22113), (1482, 21546), (1539, 20748), (1596, 20007), (1638, 19494), (1701, 18772), (1729, 18468), (2052, 15561), (2106, 15162), (2166, 14742), (2223, 14364), (2268, 14079), (2394, 13338), (2457, 12996), (2527, 12636), (2964, 10773), (3078, 10374), (3159, 10108), (3249, 9828), (3276, 9747), (3402, 9386), (3458, 9234), (3591, 8892), (4212, 7581), (4332, 7371), (4446, 7182), (4617, 6916), (4693, 6804), (4788, 6669), (4914, 6498), (5054, 6318), (5187, 6156)]