64653808

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{212677}}^1$

素因数の和:212704

約数の個数: 20

約数和(自身を含む): 131860360

約数和(自身を除く): 67206552

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 212677, 425354, 850708, 1701416, 3402832, 4040863, 8081726, 16163452, 32326904, 64653808]

約数ペア:

[(1, 64653808), (2, 32326904), (4, 16163452), (8, 8081726), (16, 4040863), (19, 3402832), (38, 1701416), (76, 850708), (152, 425354), (304, 212677)]