404920295

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1951}}^1$

素因数の和:2103

約数の個数: 32

約数和(自身を含む): 545685504

約数和(自身を除く): 140765209

約数列:

[1, 5, 13, 31, 65, 103, 155, 403, 515, 1339, 1951, 2015, 3193, 6695, 9755, 15965, 25363, 41509, 60481, 126815, 200953, 207545, 302405, 786253, 1004765, 2612389, 3931265, 6229543, 13061945, 31147715, 80984059, 404920295]

約数ペア:

[(1, 404920295), (5, 80984059), (13, 31147715), (31, 13061945), (65, 6229543), (103, 3931265), (155, 2612389), (403, 1004765), (515, 786253), (1339, 302405), (1951, 207545), (2015, 200953), (3193, 126815), (6695, 60481), (9755, 41509), (15965, 25363)]