64720348

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{210131}}^1$

素因数の和:210153

約数の個数: 24

約数和(自身を含む): 141208704

約数和(自身を除く): 76488356

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 210131, 420262, 840524, 1470917, 2311441, 2941834, 4622882, 5883668, 9245764, 16180087, 32360174, 64720348]

約数ペア:

[(1, 64720348), (2, 32360174), (4, 16180087), (7, 9245764), (11, 5883668), (14, 4622882), (22, 2941834), (28, 2311441), (44, 1470917), (77, 840524), (154, 420262), (308, 210131)]