131295647

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{521}}^1$

素因数の和:711

約数の個数: 24

約数和(自身を含む): 158291280

約数和(自身を除く): 26995633

約数列:

[1, 7, 37, 49, 139, 259, 521, 973, 1813, 3647, 5143, 6811, 19277, 25529, 36001, 72419, 134939, 252007, 506933, 944573, 2679503, 3548531, 18756521, 131295647]

約数ペア:

[(1, 131295647), (7, 18756521), (37, 3548531), (49, 2679503), (139, 944573), (259, 506933), (521, 252007), (973, 134939), (1813, 72419), (3647, 36001), (5143, 25529), (6811, 19277)]