51286238

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{3209}}^1$

素因数の和:3403

約数の個数: 16

約数和(自身を含む): 78811920

約数和(自身を除く): 27525682

約数列:

[1, 2, 61, 122, 131, 262, 3209, 6418, 7991, 15982, 195749, 391498, 420379, 840758, 25643119, 51286238]

約数ペア:

[(1, 51286238), (2, 25643119), (61, 840758), (122, 420379), (131, 391498), (262, 195749), (3209, 15982), (6418, 7991)]