1388996908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{85889}}^1$

素因数の和:86217

約数の個数: 24

約数和(自身を含む): 2626172640

約数和(自身を除く): 1237175732

約数列:

[1, 2, 4, 13, 26, 52, 311, 622, 1244, 4043, 8086, 16172, 85889, 171778, 343556, 1116557, 2233114, 4466228, 26711479, 53422958, 106845916, 347249227, 694498454, 1388996908]

約数ペア:

[(1, 1388996908), (2, 694498454), (4, 347249227), (13, 106845916), (26, 53422958), (52, 26711479), (311, 4466228), (622, 2233114), (1244, 1116557), (4043, 343556), (8086, 171778), (16172, 85889)]