81649165

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{3499}}^1$

素因数の和:3876

約数の個数: 16

約数和(自身を含む): 105840000

約数和(自身を除く): 24190835

約数列:

[1, 5, 13, 65, 359, 1795, 3499, 4667, 17495, 23335, 45487, 227435, 1256141, 6280705, 16329833, 81649165]

約数ペア:

[(1, 81649165), (5, 16329833), (13, 6280705), (65, 1256141), (359, 227435), (1795, 45487), (3499, 23335), (4667, 17495)]