31978622

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{1901}}^1$

素因数の和:2563

約数の個数: 16

約数和(自身を含む): 51764832

約数和(自身を除く): 19786210

約数列:

[1, 2, 13, 26, 647, 1294, 1901, 3802, 8411, 16822, 24713, 49426, 1229947, 2459894, 15989311, 31978622]

約数ペア:

[(1, 31978622), (2, 15989311), (13, 2459894), (26, 1229947), (647, 49426), (1294, 24713), (1901, 16822), (3802, 8411)]