42578185

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{1979}}^1$

素因数の和:2328

約数の個数: 16

約数和(自身を含む): 55218240

約数和(自身を除く): 12640055

約数列:

[1, 5, 13, 65, 331, 1655, 1979, 4303, 9895, 21515, 25727, 128635, 655049, 3275245, 8515637, 42578185]

約数ペア:

[(1, 42578185), (5, 8515637), (13, 3275245), (65, 655049), (331, 128635), (1655, 25727), (1979, 21515), (4303, 9895)]