40290887

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3329}}^1$

素因数の和:3375

約数の個数: 24

約数和(自身を含む): 53146800

約数和(自身を除く): 12855913

約数列:

[1, 7, 13, 19, 49, 91, 133, 247, 637, 931, 1729, 3329, 12103, 23303, 43277, 63251, 163121, 302939, 442757, 822263, 2120573, 3099299, 5755841, 40290887]

約数ペア:

[(1, 40290887), (7, 5755841), (13, 3099299), (19, 2120573), (49, 822263), (91, 442757), (133, 302939), (247, 163121), (637, 63251), (931, 43277), (1729, 23303), (3329, 12103)]