520080964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{140867}}^1$

素因数の和:140955

約数の個数: 24

約数和(自身を含む): 993964608

約数和(自身を除く): 473883644

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 140867, 281734, 563468, 1831271, 3662542, 7325084, 10001557, 20003114, 40006228, 130020241, 260040482, 520080964]

約数ペア:

[(1, 520080964), (2, 260040482), (4, 130020241), (13, 40006228), (26, 20003114), (52, 10001557), (71, 7325084), (142, 3662542), (284, 1831271), (923, 563468), (1846, 281734), (3692, 140867)]