31181982

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{399769}}^1$

素因数の和:399787

約数の個数: 16

約数和(自身を含む): 67161360

約数和(自身を除く): 35979378

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 399769, 799538, 1199307, 2398614, 5196997, 10393994, 15590991, 31181982]

約数ペア:

[(1, 31181982), (2, 15590991), (3, 10393994), (6, 5196997), (13, 2398614), (26, 1199307), (39, 799538), (78, 399769)]