646767290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{13127}}^1$

素因数の和:13526

約数の個数: 32

約数和(自身を含む): 1257137280

約数和(自身を除く): 610369990

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 379, 758, 1895, 3790, 4927, 9854, 13127, 24635, 26254, 49270, 65635, 131270, 170651, 341302, 853255, 1706510, 4975133, 9950266, 24875665, 49751330, 64676729, 129353458, 323383645, 646767290]

約数ペア:

[(1, 646767290), (2, 323383645), (5, 129353458), (10, 64676729), (13, 49751330), (26, 24875665), (65, 9950266), (130, 4975133), (379, 1706510), (758, 853255), (1895, 341302), (3790, 170651), (4927, 131270), (9854, 65635), (13127, 49270), (24635, 26254)]