205075145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{15601}}^1$

素因数の和:15856

約数の個数: 16

約数和(自身を含む): 269602560

約数和(自身を除く): 64527415

約数列:

[1, 5, 11, 55, 239, 1195, 2629, 13145, 15601, 78005, 171611, 858055, 3728639, 18643195, 41015029, 205075145]

約数ペア:

[(1, 205075145), (5, 41015029), (11, 18643195), (55, 3728639), (239, 858055), (1195, 171611), (2629, 78005), (13145, 15601)]