1640391488

素因数分解:

$2^6\times {\mathrm{25631117}}^1$

素因数の和:25631129

約数の個数: 14

約数和(自身を含む): 3255151986

約数和(自身を除く): 1614760498

約数列:

[1, 2, 4, 8, 16, 32, 64, 25631117, 51262234, 102524468, 205048936, 410097872, 820195744, 1640391488]

約数ペア:

[(1, 1640391488), (2, 820195744), (4, 410097872), (8, 205048936), (16, 102524468), (32, 51262234), (64, 25631117)]