64900490

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{46691}}^1$

素因数の和:46837

約数の個数: 16

約数和(自身を含む): 117663840

約数和(自身を除く): 52763350

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 46691, 93382, 233455, 466910, 6490049, 12980098, 32450245, 64900490]

約数ペア:

[(1, 64900490), (2, 32450245), (5, 12980098), (10, 6490049), (139, 466910), (278, 233455), (695, 93382), (1390, 46691)]