87871238

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{25411}}^1$

素因数の和:25452

約数の個数: 32

約数和(自身を含む): 170768640

約数和(自身を除く): 82897402

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 494, 1729, 3458, 25411, 50822, 177877, 330343, 355754, 482809, 660686, 965618, 2312401, 3379663, 4624802, 6276517, 6759326, 12553034, 43935619, 87871238]

約数ペア:

[(1, 87871238), (2, 43935619), (7, 12553034), (13, 6759326), (14, 6276517), (19, 4624802), (26, 3379663), (38, 2312401), (91, 965618), (133, 660686), (182, 482809), (247, 355754), (266, 330343), (494, 177877), (1729, 50822), (3458, 25411)]