401038885

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{1297}}^1$

素因数の和:1453

約数の個数: 32

約数和(自身を含む): 533820672

約数和(自身を除く): 132781787

約数列:

[1, 5, 13, 65, 67, 71, 335, 355, 871, 923, 1297, 4355, 4615, 4757, 6485, 16861, 23785, 61841, 84305, 86899, 92087, 309205, 434495, 460435, 1129687, 1197131, 5648435, 5985655, 6169829, 30849145, 80207777, 401038885]

約数ペア:

[(1, 401038885), (5, 80207777), (13, 30849145), (65, 6169829), (67, 5985655), (71, 5648435), (335, 1197131), (355, 1129687), (871, 460435), (923, 434495), (1297, 309205), (4355, 92087), (4615, 86899), (4757, 84305), (6485, 61841), (16861, 23785)]