2501915

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{631}}^1$

素因数の和:710

約数の個数: 16

約数和(自身を含む): 3291456

約数和(自身を除く): 789541

約数列:

[1, 5, 13, 61, 65, 305, 631, 793, 3155, 3965, 8203, 38491, 41015, 192455, 500383, 2501915]

約数ペア:

[(1, 2501915), (5, 500383), (13, 192455), (61, 41015), (65, 38491), (305, 8203), (631, 3965), (793, 3155)]