85780412

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{353}}^1\times {\mathrm{769}}^1$

素因数の和:1205

約数の個数: 24

約数和(自身を含む): 152644800

約数和(自身を除く): 66864388

約数列:

[1, 2, 4, 79, 158, 316, 353, 706, 769, 1412, 1538, 3076, 27887, 55774, 60751, 111548, 121502, 243004, 271457, 542914, 1085828, 21445103, 42890206, 85780412]

約数ペア:

[(1, 85780412), (2, 42890206), (4, 21445103), (79, 1085828), (158, 542914), (316, 271457), (353, 243004), (706, 121502), (769, 111548), (1412, 60751), (1538, 55774), (3076, 27887)]