2149804592

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1279}}^1\times {\mathrm{8081}}^1$

素因数の和:9381

約数の個数: 40

約数和(自身を含む): 4489712640

約数和(自身を除く): 2339908048

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1279, 2558, 5116, 8081, 10232, 16162, 16627, 20464, 32324, 33254, 64648, 66508, 105053, 129296, 133016, 210106, 266032, 420212, 840424, 1680848, 10335599, 20671198, 41342396, 82684792, 134362787, 165369584, 268725574, 537451148, 1074902296, 2149804592]

約数ペア:

[(1, 2149804592), (2, 1074902296), (4, 537451148), (8, 268725574), (13, 165369584), (16, 134362787), (26, 82684792), (52, 41342396), (104, 20671198), (208, 10335599), (1279, 1680848), (2558, 840424), (5116, 420212), (8081, 266032), (10232, 210106), (16162, 133016), (16627, 129296), (20464, 105053), (32324, 66508), (33254, 64648)]