261330407989

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{3537659}}^1$

素因数の和:3537900

約数の個数: 16

約数和(自身を含む): 305314208640

約数和(自身を除く): 43983800651

約数列:

[1, 7, 61, 173, 427, 1211, 10553, 73871, 3537659, 24763613, 215797199, 612015007, 1510580393, 4284105049, 37332915427, 261330407989]

約数ペア:

[(1, 261330407989), (7, 37332915427), (61, 4284105049), (173, 1510580393), (427, 612015007), (1211, 215797199), (10553, 24763613), (73871, 3537659)]