505890265

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{12611}}^1$

素因数の和:12800

約数の個数: 16

約数和(自身を含む): 621115776

約数和(自身を除く): 115225511

約数列:

[1, 5, 71, 113, 355, 565, 8023, 12611, 40115, 63055, 895381, 1425043, 4476905, 7125215, 101178053, 505890265]

約数ペア:

[(1, 505890265), (5, 101178053), (71, 7125215), (113, 4476905), (355, 1425043), (565, 895381), (8023, 63055), (12611, 40115)]