64864490

素因数分解:

$2^1\times 5^1\times {\mathrm{1721}}^1\times {\mathrm{3769}}^1$

素因数の和:5497

約数の個数: 16

約数和(自身を含む): 116854920

約数和(自身を除く): 51990430

約数列:

[1, 2, 5, 10, 1721, 3442, 3769, 7538, 8605, 17210, 18845, 37690, 6486449, 12972898, 32432245, 64864490]

約数ペア:

[(1, 64864490), (2, 32432245), (5, 12972898), (10, 6486449), (1721, 37690), (3442, 18845), (3769, 17210), (7538, 8605)]