209681812

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{1416769}}^1$

素因数の和:1416810

約数の個数: 12

約数和(自身を含む): 376860820

約数和(自身を除く): 167179008

約数列:

[1, 2, 4, 37, 74, 148, 1416769, 2833538, 5667076, 52420453, 104840906, 209681812]

約数ペア:

[(1, 209681812), (2, 104840906), (4, 52420453), (37, 5667076), (74, 2833538), (148, 1416769)]