200985872

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{30713}}^1$

素因数の和:31130

約数の個数: 20

約数和(自身を含む): 390374940

約数和(自身を除く): 189389068

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 6544, 30713, 61426, 122852, 245704, 491408, 12561617, 25123234, 50246468, 100492936, 200985872]

約数ペア:

[(1, 200985872), (2, 100492936), (4, 50246468), (8, 25123234), (16, 12561617), (409, 491408), (818, 245704), (1636, 122852), (3272, 61426), (6544, 30713)]