28479154775

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{247591}}^1$

素因数の和:247751

約数の個数: 24

約数和(自身を含む): 36473272704

約数和(自身を除く): 7994117929

約数列:

[1, 5, 25, 43, 107, 215, 535, 1075, 2675, 4601, 23005, 115025, 247591, 1237955, 6189775, 10646413, 26492237, 53232065, 132461185, 266160325, 662305925, 1139166191, 5695830955, 28479154775]

約数ペア:

[(1, 28479154775), (5, 5695830955), (25, 1139166191), (43, 662305925), (107, 266160325), (215, 132461185), (535, 53232065), (1075, 26492237), (2675, 10646413), (4601, 6189775), (23005, 1237955), (115025, 247591)]