16681738495

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{691}}^1\times {\mathrm{1487}}^1$

素因数の和:2391

約数の個数: 32

約数和(自身を含む): 21351776256

約数和(自身を除く): 4670037761

約数列:

[1, 5, 17, 85, 191, 691, 955, 1487, 3247, 3455, 7435, 11747, 16235, 25279, 58735, 126395, 131981, 284017, 659905, 1027517, 1420085, 2243677, 4828289, 5137585, 11218385, 17467789, 24141445, 87338945, 196255747, 981278735, 3336347699, 16681738495]

約数ペア:

[(1, 16681738495), (5, 3336347699), (17, 981278735), (85, 196255747), (191, 87338945), (691, 24141445), (955, 17467789), (1487, 11218385), (3247, 5137585), (3455, 4828289), (7435, 2243677), (11747, 1420085), (16235, 1027517), (25279, 659905), (58735, 284017), (126395, 131981)]