1279231915

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{322631}}^1$

素因数の和:322710

約数の個数: 16

約数和(自身を含む): 1680267456

約数和(自身を除く): 401035541

約数列:

[1, 5, 13, 61, 65, 305, 793, 3965, 322631, 1613155, 4194203, 19680491, 20971015, 98402455, 255846383, 1279231915]

約数ペア:

[(1, 1279231915), (5, 255846383), (13, 98402455), (61, 20971015), (65, 19680491), (305, 4194203), (793, 1613155), (3965, 322631)]