155521808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{10531}}^1$

素因数の和:10623

約数の個数: 40

約数和(自身を含む): 329103936

約数和(自身を除く): 173582128

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 923, 1136, 1846, 3692, 7384, 10531, 14768, 21062, 42124, 84248, 136903, 168496, 273806, 547612, 747701, 1095224, 1495402, 2190448, 2990804, 5981608, 9720113, 11963216, 19440226, 38880452, 77760904, 155521808]

約数ペア:

[(1, 155521808), (2, 77760904), (4, 38880452), (8, 19440226), (13, 11963216), (16, 9720113), (26, 5981608), (52, 2990804), (71, 2190448), (104, 1495402), (142, 1095224), (208, 747701), (284, 547612), (568, 273806), (923, 168496), (1136, 136903), (1846, 84248), (3692, 42124), (7384, 21062), (10531, 14768)]