12757225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2309}}^1$

素因数の和:2349

約数の個数: 24

約数和(自身を含む): 18045720

約数和(自身を除く): 5288495

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 2309, 5525, 11545, 30017, 39253, 57725, 150085, 196265, 510289, 750425, 981325, 2551445, 12757225]

約数ペア:

[(1, 12757225), (5, 2551445), (13, 981325), (17, 750425), (25, 510289), (65, 196265), (85, 150085), (221, 57725), (325, 39253), (425, 30017), (1105, 11545), (2309, 5525)]