30908735

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 44029440

約数和(自身を除く): 13120705

約数列:

[1, 5, 11, 13, 55, 65, 139, 143, 311, 695, 715, 1529, 1555, 1807, 3421, 4043, 7645, 9035, 17105, 19877, 20215, 43229, 44473, 99385, 216145, 222365, 475519, 561977, 2377595, 2809885, 6181747, 30908735]

約数ペア:

[(1, 30908735), (5, 6181747), (11, 2809885), (13, 2377595), (55, 561977), (65, 475519), (139, 222365), (143, 216145), (311, 99385), (695, 44473), (715, 43229), (1529, 20215), (1555, 19877), (1807, 17105), (3421, 9035), (4043, 7645)]