646111792

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{2375411}}^1$

素因数の和:2375436

約数の個数: 20

約数和(自身を含む): 1325479896

約数和(自身を除く): 679368104

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 2375411, 4750822, 9501644, 19003288, 38006576, 40381987, 80763974, 161527948, 323055896, 646111792]

約数ペア:

[(1, 646111792), (2, 323055896), (4, 161527948), (8, 80763974), (16, 40381987), (17, 38006576), (34, 19003288), (68, 9501644), (136, 4750822), (272, 2375411)]