90783965

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 117697536

約数和(自身を除く): 26913571

約数列:

[1, 5, 31, 43, 53, 155, 215, 257, 265, 1285, 1333, 1643, 2279, 6665, 7967, 8215, 11051, 11395, 13621, 39835, 55255, 68105, 70649, 342581, 353245, 422251, 585703, 1712905, 2111255, 2928515, 18156793, 90783965]

約数ペア:

[(1, 90783965), (5, 18156793), (31, 2928515), (43, 2111255), (53, 1712905), (155, 585703), (215, 422251), (257, 353245), (265, 342581), (1285, 70649), (1333, 68105), (1643, 55255), (2279, 39835), (6665, 13621), (7967, 11395), (8215, 11051)]