7890870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20233}}^1$

素因数の和:20256

約数の個数: 32

約数和(自身を含む): 20395872

約数和(自身を除く): 12505002

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 20233, 40466, 60699, 101165, 121398, 202330, 263029, 303495, 526058, 606990, 789087, 1315145, 1578174, 2630290, 3945435, 7890870]

約数ペア:

[(1, 7890870), (2, 3945435), (3, 2630290), (5, 1578174), (6, 1315145), (10, 789087), (13, 606990), (15, 526058), (26, 303495), (30, 263029), (39, 202330), (65, 121398), (78, 101165), (130, 60699), (195, 40466), (390, 20233)]