397615664

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{195677}}^1$

素因数の和:195812

約数の個数: 20

約数和(自身を含む): 776450304

約数和(自身を除く): 378834640

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 195677, 391354, 782708, 1565416, 3130832, 24850979, 49701958, 99403916, 198807832, 397615664]

約数ペア:

[(1, 397615664), (2, 198807832), (4, 99403916), (8, 49701958), (16, 24850979), (127, 3130832), (254, 1565416), (508, 782708), (1016, 391354), (2032, 195677)]