64720520452

素因数分解:

$2^2\times 7^4\times {\mathrm{6738913}}^1$

素因数の和:6738945

約数の個数: 30

約数和(自身を含む): 132129886798

約数和(自身を除く): 67409366346

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 2401, 4802, 9604, 6738913, 13477826, 26955652, 47172391, 94344782, 188689564, 330206737, 660413474, 1320826948, 2311447159, 4622894318, 9245788636, 16180130113, 32360260226, 64720520452]

約数ペア:

[(1, 64720520452), (2, 32360260226), (4, 16180130113), (7, 9245788636), (14, 4622894318), (28, 2311447159), (49, 1320826948), (98, 660413474), (196, 330206737), (343, 188689564), (686, 94344782), (1372, 47172391), (2401, 26955652), (4802, 13477826), (9604, 6738913)]