257144407

素因数分解:

${\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{2039}}^1$

素因数の和:2250

約数の個数: 16

約数和(自身を含む): 282744000

約数和(自身を除く): 25599593

約数列:

[1, 13, 89, 109, 1157, 1417, 2039, 9701, 26507, 126113, 181471, 222251, 2359123, 2889263, 19780339, 257144407]

約数ペア:

[(1, 257144407), (13, 19780339), (89, 2889263), (109, 2359123), (1157, 222251), (1417, 181471), (2039, 126113), (9701, 26507)]