87164984

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{640919}}^1$

素因数の和:640942

約数の個数: 16

約数和(自身を含む): 173048400

約数和(自身を除く): 85883416

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 640919, 1281838, 2563676, 5127352, 10895623, 21791246, 43582492, 87164984]

約数ペア:

[(1, 87164984), (2, 43582492), (4, 21791246), (8, 10895623), (17, 5127352), (34, 2563676), (68, 1281838), (136, 640919)]