666974

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:152

約数の個数: 32

約数和(自身を含む): 1285632

約数和(自身を除く): 618658

約数列:

[1, 2, 7, 11, 14, 22, 61, 71, 77, 122, 142, 154, 427, 497, 671, 781, 854, 994, 1342, 1562, 4331, 4697, 5467, 8662, 9394, 10934, 30317, 47641, 60634, 95282, 333487, 666974]

約数ペア:

[(1, 666974), (2, 333487), (7, 95282), (11, 60634), (14, 47641), (22, 30317), (61, 10934), (71, 9394), (77, 8662), (122, 5467), (142, 4697), (154, 4331), (427, 1562), (497, 1342), (671, 994), (781, 854)]