649352015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{163771}}^1$

素因数の和:163850

約数の個数: 16

約数和(自身を含む): 852924576

約数和(自身を除く): 203572561

約数列:

[1, 5, 13, 61, 65, 305, 793, 3965, 163771, 818855, 2129023, 9990031, 10645115, 49950155, 129870403, 649352015]

約数ペア:

[(1, 649352015), (5, 129870403), (13, 49950155), (61, 10645115), (65, 9990031), (305, 2129023), (793, 818855), (3965, 163771)]