68914864

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{10531}}^1$

素因数の和:10948

約数の個数: 20

約数和(自身を含む): 133861720

約数和(自身を除く): 64946856

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 6544, 10531, 21062, 42124, 84248, 168496, 4307179, 8614358, 17228716, 34457432, 68914864]

約数ペア:

[(1, 68914864), (2, 34457432), (4, 17228716), (8, 8614358), (16, 4307179), (409, 168496), (818, 84248), (1636, 42124), (3272, 21062), (6544, 10531)]