123557512

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{4289}}^1$

素因数の和:4585

約数の個数: 32

約数和(自身を含む): 250450200

約数和(自身を除く): 126892688

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 277, 554, 1108, 2216, 3601, 4289, 7202, 8578, 14404, 17156, 28808, 34312, 55757, 111514, 223028, 446056, 1188053, 2376106, 4752212, 9504424, 15444689, 30889378, 61778756, 123557512]

約数ペア:

[(1, 123557512), (2, 61778756), (4, 30889378), (8, 15444689), (13, 9504424), (26, 4752212), (52, 2376106), (104, 1188053), (277, 446056), (554, 223028), (1108, 111514), (2216, 55757), (3601, 34312), (4289, 28808), (7202, 17156), (8578, 14404)]