8521136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{577}}^1$

素因数の和:669

約数の個数: 40

約数和(自身を含む): 18061344

約数和(自身を除く): 9540208

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 577, 923, 1136, 1154, 1846, 2308, 3692, 4616, 7384, 7501, 9232, 14768, 15002, 30004, 40967, 60008, 81934, 120016, 163868, 327736, 532571, 655472, 1065142, 2130284, 4260568, 8521136]

約数ペア:

[(1, 8521136), (2, 4260568), (4, 2130284), (8, 1065142), (13, 655472), (16, 532571), (26, 327736), (52, 163868), (71, 120016), (104, 81934), (142, 60008), (208, 40967), (284, 30004), (568, 15002), (577, 14768), (923, 9232), (1136, 7501), (1154, 7384), (1846, 4616), (2308, 3692)]