226624775

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{53639}}^1$

素因数の和:53675

約数の個数: 18

約数和(自身を含む): 304299720

約数和(自身を除く): 77674945

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 53639, 268195, 697307, 1340975, 3486535, 9064991, 17432675, 45324955, 226624775]

約数ペア:

[(1, 226624775), (5, 45324955), (13, 17432675), (25, 9064991), (65, 3486535), (169, 1340975), (325, 697307), (845, 268195), (4225, 53639)]