2905955

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:231

約数の個数: 24

約数和(自身を含む): 3996720

約数和(自身を除く): 1090765

約数列:

[1, 5, 13, 19, 65, 95, 169, 181, 247, 845, 905, 1235, 2353, 3211, 3439, 11765, 16055, 17195, 30589, 44707, 152945, 223535, 581191, 2905955]

約数ペア:

[(1, 2905955), (5, 581191), (13, 223535), (19, 152945), (65, 44707), (95, 30589), (169, 17195), (181, 16055), (247, 11765), (845, 3439), (905, 3211), (1235, 2353)]