205121910287

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{2438473}}^1$

素因数の和:2438738

約数の個数: 16

約数和(自身を含む): 239477654592

約数和(自身を除く): 34355744305

約数列:

[1, 7, 61, 197, 427, 1379, 12017, 84119, 2438473, 17069311, 148746853, 480379181, 1041227971, 3362654267, 29303130041, 205121910287]

約数ペア:

[(1, 205121910287), (7, 29303130041), (61, 3362654267), (197, 1041227971), (427, 480379181), (1379, 148746853), (12017, 17069311), (84119, 2438473)]