87128216

素因数分解:

$2^3\times 7^1\times {\mathrm{1555861}}^1$

素因数の和:1555874

約数の個数: 16

約数和(自身を含む): 186703440

約数和(自身を除く): 99575224

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1555861, 3111722, 6223444, 10891027, 12446888, 21782054, 43564108, 87128216]

約数ペア:

[(1, 87128216), (2, 43564108), (4, 21782054), (7, 12446888), (8, 10891027), (14, 6223444), (28, 3111722), (56, 1555861)]