199354865

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{4099}}^1$

素因数の和:4312

約数の個数: 16

約数和(自身を含む): 244425600

約数和(自身を除く): 45070735

約数列:

[1, 5, 71, 137, 355, 685, 4099, 9727, 20495, 48635, 291029, 561563, 1455145, 2807815, 39870973, 199354865]

約数ペア:

[(1, 199354865), (5, 39870973), (71, 2807815), (137, 1455145), (355, 561563), (685, 291029), (4099, 48635), (9727, 20495)]