408023005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{330383}}^1$

素因数の和:330420

約数の個数: 16

約数和(自身を含む): 555045120

約数和(自身を除く): 147022115

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 330383, 1651915, 4294979, 6277277, 21474895, 31386385, 81604601, 408023005]

約数ペア:

[(1, 408023005), (5, 81604601), (13, 31386385), (19, 21474895), (65, 6277277), (95, 4294979), (247, 1651915), (1235, 330383)]