664152848

素因数分解:

$2^4\times {\mathrm{263}}^1\times {\mathrm{157831}}^1$

素因数の和:158102

約数の個数: 20

約数和(自身を含む): 1291697088

約数和(自身を除く): 627544240

約数列:

[1, 2, 4, 8, 16, 263, 526, 1052, 2104, 4208, 157831, 315662, 631324, 1262648, 2525296, 41509553, 83019106, 166038212, 332076424, 664152848]

約数ペア:

[(1, 664152848), (2, 332076424), (4, 166038212), (8, 83019106), (16, 41509553), (263, 2525296), (526, 1262648), (1052, 631324), (2104, 315662), (4208, 157831)]