31559216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2137}}^1$

素因数の和:2229

約数の個数: 40

約数和(自身を含む): 66808224

約数和(自身を除く): 35249008

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 923, 1136, 1846, 2137, 3692, 4274, 7384, 8548, 14768, 17096, 27781, 34192, 55562, 111124, 151727, 222248, 303454, 444496, 606908, 1213816, 1972451, 2427632, 3944902, 7889804, 15779608, 31559216]

約数ペア:

[(1, 31559216), (2, 15779608), (4, 7889804), (8, 3944902), (13, 2427632), (16, 1972451), (26, 1213816), (52, 606908), (71, 444496), (104, 303454), (142, 222248), (208, 151727), (284, 111124), (568, 55562), (923, 34192), (1136, 27781), (1846, 17096), (2137, 14768), (3692, 8548), (4274, 7384)]