2081105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{317}}^1$

素因数の和:436

約数の個数: 16

約数和(自身を含む): 2724624

約数和(自身を除く): 643519

約数列:

[1, 5, 13, 65, 101, 317, 505, 1313, 1585, 4121, 6565, 20605, 32017, 160085, 416221, 2081105]

約数ペア:

[(1, 2081105), (5, 416221), (13, 160085), (65, 32017), (101, 20605), (317, 6565), (505, 4121), (1313, 1585)]