2557906

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{751}}^1$

素因数の和:897

約数の個数: 16

約数和(自身を含む): 4169088

約数和(自身を除く): 1611182

約数列:

[1, 2, 13, 26, 131, 262, 751, 1502, 1703, 3406, 9763, 19526, 98381, 196762, 1278953, 2557906]

約数ペア:

[(1, 2557906), (2, 1278953), (13, 196762), (26, 98381), (131, 19526), (262, 9763), (751, 3406), (1502, 1703)]