399367085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{787}}^1$

素因数の和:1053

約数の個数: 32

約数和(自身を含む): 533242752

約数和(自身を除く): 133875667

約数列:

[1, 5, 13, 37, 65, 185, 211, 481, 787, 1055, 2405, 2743, 3935, 7807, 10231, 13715, 29119, 39035, 51155, 101491, 145595, 166057, 378547, 507455, 830285, 1892735, 2158741, 6144109, 10793705, 30720545, 79873417, 399367085]

約数ペア:

[(1, 399367085), (5, 79873417), (13, 30720545), (37, 10793705), (65, 6144109), (185, 2158741), (211, 1892735), (481, 830285), (787, 507455), (1055, 378547), (2405, 166057), (2743, 145595), (3935, 101491), (7807, 51155), (10231, 39035), (13715, 29119)]