2017991591

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{3191}}^1$

素因数の和:3443

約数の個数: 32

約数和(自身を含む): 2588737536

約数和(自身を除く): 570745945

約数列:

[1, 7, 11, 43, 77, 191, 301, 473, 1337, 2101, 3191, 3311, 8213, 14707, 22337, 35101, 57491, 90343, 137213, 245707, 609481, 632401, 960491, 1509343, 4266367, 6704291, 10565401, 26207683, 46930037, 183453781, 288284513, 2017991591]

約数ペア:

[(1, 2017991591), (7, 288284513), (11, 183453781), (43, 46930037), (77, 26207683), (191, 10565401), (301, 6704291), (473, 4266367), (1337, 1509343), (2101, 960491), (3191, 632401), (3311, 609481), (8213, 245707), (14707, 137213), (22337, 90343), (35101, 57491)]