8121245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{991}}^1$

素因数の和:1156

約数の個数: 16

約数和(自身を含む): 10713600

約数和(自身を除く): 2592355

約数列:

[1, 5, 11, 55, 149, 745, 991, 1639, 4955, 8195, 10901, 54505, 147659, 738295, 1624249, 8121245]

約数ペア:

[(1, 8121245), (5, 1624249), (11, 738295), (55, 147659), (149, 54505), (745, 10901), (991, 8195), (1639, 4955)]