201604325

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{47717}}^1$

素因数の和:47753

約数の個数: 18

約数和(自身を含む): 270704214

約数和(自身を除く): 69099889

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 47717, 238585, 620321, 1192925, 3101605, 8064173, 15508025, 40320865, 201604325]

約数ペア:

[(1, 201604325), (5, 40320865), (13, 15508025), (25, 8064173), (65, 3101605), (169, 1192925), (325, 620321), (845, 238585), (4225, 47717)]