257097958

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{139273}}^1$

素因数の和:139359

約数の個数: 16

約数和(自身を含む): 421164576

約数和(自身を除く): 164066618

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 139273, 278546, 1810549, 3621098, 9888383, 19776766, 128548979, 257097958]

約数ペア:

[(1, 257097958), (2, 128548979), (13, 19776766), (26, 9888383), (71, 3621098), (142, 1810549), (923, 278546), (1846, 139273)]