64981336

素因数分解:

$2^3\times 7^1\times {\mathrm{653}}^1\times {\mathrm{1777}}^1$

素因数の和:2443

約数の個数: 32

約数和(自身を含む): 139537440

約数和(自身を除く): 74556104

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 653, 1306, 1777, 2612, 3554, 4571, 5224, 7108, 9142, 12439, 14216, 18284, 24878, 36568, 49756, 99512, 1160381, 2320762, 4641524, 8122667, 9283048, 16245334, 32490668, 64981336]

約数ペア:

[(1, 64981336), (2, 32490668), (4, 16245334), (7, 9283048), (8, 8122667), (14, 4641524), (28, 2320762), (56, 1160381), (653, 99512), (1306, 49756), (1777, 36568), (2612, 24878), (3554, 18284), (4571, 14216), (5224, 12439), (7108, 9142)]