68439568

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{137983}}^1$

素因数の和:138022

約数の個数: 20

約数和(自身を含む): 136880128

約数和(自身を除く): 68440560

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 137983, 275966, 551932, 1103864, 2207728, 4277473, 8554946, 17109892, 34219784, 68439568]

約数ペア:

[(1, 68439568), (2, 34219784), (4, 17109892), (8, 8554946), (16, 4277473), (31, 2207728), (62, 1103864), (124, 551932), (248, 275966), (496, 137983)]