90237745

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2357}}^1$

素因数の和:2425

約数の個数: 32

約数和(自身を含む): 126766080

約数和(自身を除く): 36528335

約数列:

[1, 5, 13, 19, 31, 65, 95, 155, 247, 403, 589, 1235, 2015, 2357, 2945, 7657, 11785, 30641, 38285, 44783, 73067, 153205, 223915, 365335, 582179, 949871, 1388273, 2910895, 4749355, 6941365, 18047549, 90237745]

約数ペア:

[(1, 90237745), (5, 18047549), (13, 6941365), (19, 4749355), (31, 2910895), (65, 1388273), (95, 949871), (155, 582179), (247, 365335), (403, 223915), (589, 153205), (1235, 73067), (2015, 44783), (2357, 38285), (2945, 30641), (7657, 11785)]