66900784

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{41399}}^1$

素因数の和:41508

約数の個数: 20

約数和(自身を含む): 130906800

約数和(自身を除く): 64006016

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 41399, 82798, 165596, 331192, 662384, 4181299, 8362598, 16725196, 33450392, 66900784]

約数ペア:

[(1, 66900784), (2, 33450392), (4, 16725196), (8, 8362598), (16, 4181299), (101, 662384), (202, 331192), (404, 165596), (808, 82798), (1616, 41399)]