290468568

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{930989}}^1$

素因数の和:931011

約数の個数: 32

約数和(自身を含む): 782031600

約数和(自身を除く): 491563032

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 930989, 1861978, 2792967, 3723956, 5585934, 7447912, 11171868, 12102857, 22343736, 24205714, 36308571, 48411428, 72617142, 96822856, 145234284, 290468568]

約数ペア:

[(1, 290468568), (2, 145234284), (3, 96822856), (4, 72617142), (6, 48411428), (8, 36308571), (12, 24205714), (13, 22343736), (24, 12102857), (26, 11171868), (39, 7447912), (52, 5585934), (78, 3723956), (104, 2792967), (156, 1861978), (312, 930989)]