38487215

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{1231}}^1$

素因数の和:1299

約数の個数: 24

約数和(自身を含む): 51403968

約数和(自身を除く): 12916753

約数列:

[1, 5, 13, 37, 65, 169, 185, 481, 845, 1231, 2405, 6155, 6253, 16003, 31265, 45547, 80015, 208039, 227735, 592111, 1040195, 2960555, 7697443, 38487215]

約数ペア:

[(1, 38487215), (5, 7697443), (13, 2960555), (37, 1040195), (65, 592111), (169, 227735), (185, 208039), (481, 80015), (845, 45547), (1231, 31265), (2405, 16003), (6155, 6253)]