201212109865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{1021}}^1\times {\mathrm{3031901}}^1$

素因数の和:3032940

約数の個数: 16

約数和(自身を含む): 260282722896

約数和(自身を除く): 59070613031

約数列:

[1, 5, 13, 65, 1021, 5105, 13273, 66365, 3031901, 15159505, 39414713, 197073565, 3095570921, 15477854605, 40242421973, 201212109865]

約数ペア:

[(1, 201212109865), (5, 40242421973), (13, 15477854605), (65, 3095570921), (1021, 197073565), (5105, 39414713), (13273, 15159505), (66365, 3031901)]