401039405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{6863}}^1$

素因数の和:6941

約数の個数: 32

約数和(自身を含む): 553512960

約数和(自身を除く): 152473555

約数列:

[1, 5, 13, 29, 31, 65, 145, 155, 377, 403, 899, 1885, 2015, 4495, 6863, 11687, 34315, 58435, 89219, 199027, 212753, 446095, 995135, 1063765, 2587351, 2765789, 6169837, 12936755, 13828945, 30849185, 80207881, 401039405]

約数ペア:

[(1, 401039405), (5, 80207881), (13, 30849185), (29, 13828945), (31, 12936755), (65, 6169837), (145, 2765789), (155, 2587351), (377, 1063765), (403, 995135), (899, 446095), (1885, 212753), (2015, 199027), (4495, 89219), (6863, 58435), (11687, 34315)]