642988

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1$

素因数の和:297

約数の個数: 24

約数和(自身を含む): 1219680

約数和(自身を除く): 576692

約数列:

[1, 2, 4, 23, 29, 46, 58, 92, 116, 241, 482, 667, 964, 1334, 2668, 5543, 6989, 11086, 13978, 22172, 27956, 160747, 321494, 642988]

約数ペア:

[(1, 642988), (2, 321494), (4, 160747), (23, 27956), (29, 22172), (46, 13978), (58, 11086), (92, 6989), (116, 5543), (241, 2668), (482, 1334), (667, 964)]