1639348072

素因数分解:

$2^3\times {\mathrm{307}}^1\times {\mathrm{667487}}^1$

素因数の和:667800

約数の個数: 16

約数和(自身を含む): 3083794560

約数和(自身を除く): 1444446488

約数列:

[1, 2, 4, 8, 307, 614, 1228, 2456, 667487, 1334974, 2669948, 5339896, 204918509, 409837018, 819674036, 1639348072]

約数ペア:

[(1, 1639348072), (2, 819674036), (4, 409837018), (8, 204918509), (307, 5339896), (614, 2669948), (1228, 1334974), (2456, 667487)]