721442644

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{195407}}^1$

素因数の和:195495

約数の個数: 24

約数和(自身を含む): 1378798848

約数和(自身を除く): 657356204

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 195407, 390814, 781628, 2540291, 5080582, 10161164, 13873897, 27747794, 55495588, 180360661, 360721322, 721442644]

約数ペア:

[(1, 721442644), (2, 360721322), (4, 180360661), (13, 55495588), (26, 27747794), (52, 13873897), (71, 10161164), (142, 5080582), (284, 2540291), (923, 781628), (1846, 390814), (3692, 195407)]