353374775

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{83639}}^1$

素因数の和:83675

約数の個数: 18

約数和(自身を含む): 474489720

約数和(自身を除く): 121114945

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 83639, 418195, 1087307, 2090975, 5436535, 14134991, 27182675, 70674955, 353374775]

約数ペア:

[(1, 353374775), (5, 70674955), (13, 27182675), (25, 14134991), (65, 5436535), (169, 2090975), (325, 1087307), (845, 418195), (4225, 83639)]