123217405

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{4877}}^1$

素因数の和:5076

約数の個数: 16

約数和(自身を含む): 153598464

約数和(自身を除く): 30381059

約数列:

[1, 5, 31, 155, 163, 815, 4877, 5053, 24385, 25265, 151187, 755935, 794951, 3974755, 24643481, 123217405]

約数ペア:

[(1, 123217405), (5, 24643481), (31, 3974755), (155, 794951), (163, 755935), (815, 151187), (4877, 25265), (5053, 24385)]