64641268

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{7949}}^1$

素因数の和:8079

約数の個数: 24

約数和(自身を含む): 120204000

約数和(自身を除く): 55562732

約数列:

[1, 2, 4, 19, 38, 76, 107, 214, 428, 2033, 4066, 7949, 8132, 15898, 31796, 151031, 302062, 604124, 850543, 1701086, 3402172, 16160317, 32320634, 64641268]

約数ペア:

[(1, 64641268), (2, 32320634), (4, 16160317), (19, 3402172), (38, 1701086), (76, 850543), (107, 604124), (214, 302062), (428, 151031), (2033, 31796), (4066, 15898), (7949, 8132)]