90492787

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1381}}^1$

素因数の和:1459

約数の個数: 32

約数和(自身を含む): 120996864

約数和(自身を除く): 30504077

約数列:

[1, 7, 11, 23, 37, 77, 161, 253, 259, 407, 851, 1381, 1771, 2849, 5957, 9361, 9667, 15191, 31763, 51097, 65527, 106337, 222341, 349393, 357679, 562067, 1175231, 2445751, 3934469, 8226617, 12927541, 90492787]

約数ペア:

[(1, 90492787), (7, 12927541), (11, 8226617), (23, 3934469), (37, 2445751), (77, 1175231), (161, 562067), (253, 357679), (259, 349393), (407, 222341), (851, 106337), (1381, 65527), (1771, 51097), (2849, 31763), (5957, 15191), (9361, 9667)]