71330225

素因数分解:

$5^2\times {\mathrm{31}}^2\times {\mathrm{2969}}^1$

素因数の和:3041

約数の個数: 18

約数和(自身を含む): 91425510

約数和(自身を除く): 20095285

約数列:

[1, 5, 25, 31, 155, 775, 961, 2969, 4805, 14845, 24025, 74225, 92039, 460195, 2300975, 2853209, 14266045, 71330225]

約数ペア:

[(1, 71330225), (5, 14266045), (25, 2853209), (31, 2300975), (155, 460195), (775, 92039), (961, 74225), (2969, 24025), (4805, 14845)]