257397503

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{5153}}^1$

素因数の和:5422

約数の個数: 16

約数和(自身を含む): 296870400

約数和(自身を除く): 39472897

約数列:

[1, 11, 19, 209, 239, 2629, 4541, 5153, 49951, 56683, 97907, 1076977, 1231567, 13547237, 23399773, 257397503]

約数ペア:

[(1, 257397503), (11, 23399773), (19, 13547237), (209, 1231567), (239, 1076977), (2629, 97907), (4541, 56683), (5153, 49951)]