628881407

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 835946496

約数和(自身を除く): 207065089

約数列:

[1, 7, 11, 31, 43, 77, 121, 217, 301, 341, 473, 557, 847, 1333, 2387, 3311, 3751, 3899, 5203, 6127, 9331, 14663, 17267, 23951, 26257, 36421, 42889, 67397, 102641, 120869, 161293, 167657, 189937, 263461, 471779, 742481, 1129051, 1329559, 1844227, 2089307, 2898071, 5197367, 8167291, 14625149, 20286497, 57171037, 89840201, 628881407]

約数ペア:

[(1, 628881407), (7, 89840201), (11, 57171037), (31, 20286497), (43, 14625149), (77, 8167291), (121, 5197367), (217, 2898071), (301, 2089307), (341, 1844227), (473, 1329559), (557, 1129051), (847, 742481), (1333, 471779), (2387, 263461), (3311, 189937), (3751, 167657), (3899, 161293), (5203, 120869), (6127, 102641), (9331, 67397), (14663, 42889), (17267, 36421), (23951, 26257)]