131440028

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{2557}}^1$

素因数の和:2813

約数の個数: 24

約数和(自身を含む): 234640224

約数和(自身を除く): 103200196

約数列:

[1, 2, 4, 71, 142, 181, 284, 362, 724, 2557, 5114, 10228, 12851, 25702, 51404, 181547, 363094, 462817, 726188, 925634, 1851268, 32860007, 65720014, 131440028]

約数ペア:

[(1, 131440028), (2, 65720014), (4, 32860007), (71, 1851268), (142, 925634), (181, 726188), (284, 462817), (362, 363094), (724, 181547), (2557, 51404), (5114, 25702), (10228, 12851)]