2541565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{641}}^1$

素因数の和:720

約数の個数: 16

約数和(自身を含む): 3343536

約数和(自身を除く): 801971

約数列:

[1, 5, 13, 61, 65, 305, 641, 793, 3205, 3965, 8333, 39101, 41665, 195505, 508313, 2541565]

約数ペア:

[(1, 2541565), (5, 508313), (13, 195505), (61, 41665), (65, 39101), (305, 8333), (641, 3965), (793, 3205)]