8122465

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 11289600

約数和(自身を除く): 3167135

約数列:

[1, 5, 13, 29, 31, 65, 139, 145, 155, 377, 403, 695, 899, 1807, 1885, 2015, 4031, 4309, 4495, 9035, 11687, 20155, 21545, 52403, 56017, 58435, 124961, 262015, 280085, 624805, 1624493, 8122465]

約数ペア:

[(1, 8122465), (5, 1624493), (13, 624805), (29, 280085), (31, 262015), (65, 124961), (139, 58435), (145, 56017), (155, 52403), (377, 21545), (403, 20155), (695, 11687), (899, 9035), (1807, 4495), (1885, 4309), (2015, 4031)]