81139895

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{499}}^1\times {\mathrm{1913}}^1$

素因数の和:2434

約数の個数: 16

約数和(自身を含む): 103356000

約数和(自身を除く): 22216105

約数列:

[1, 5, 17, 85, 499, 1913, 2495, 8483, 9565, 32521, 42415, 162605, 954587, 4772935, 16227979, 81139895]

約数ペア:

[(1, 81139895), (5, 16227979), (17, 4772935), (85, 954587), (499, 162605), (1913, 42415), (2495, 32521), (8483, 9565)]