81757158

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{499}}^1$

素因数の和:641

約数の個数: 64

約数和(自身を含む): 193536000

約数和(自身を除く): 111778842

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 83, 94, 141, 166, 249, 282, 329, 498, 499, 581, 658, 987, 998, 1162, 1497, 1743, 1974, 2994, 3486, 3493, 3901, 6986, 7802, 10479, 11703, 20958, 23406, 23453, 27307, 41417, 46906, 54614, 70359, 81921, 82834, 124251, 140718, 163842, 164171, 248502, 289919, 328342, 492513, 579838, 869757, 985026, 1739514, 1946599, 3893198, 5839797, 11679594, 13626193, 27252386, 40878579, 81757158]

約数ペア:

[(1, 81757158), (2, 40878579), (3, 27252386), (6, 13626193), (7, 11679594), (14, 5839797), (21, 3893198), (42, 1946599), (47, 1739514), (83, 985026), (94, 869757), (141, 579838), (166, 492513), (249, 328342), (282, 289919), (329, 248502), (498, 164171), (499, 163842), (581, 140718), (658, 124251), (987, 82834), (998, 81921), (1162, 70359), (1497, 54614), (1743, 46906), (1974, 41417), (2994, 27307), (3486, 23453), (3493, 23406), (3901, 20958), (6986, 11703), (7802, 10479)]