72427225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{13109}}^1$

素因数の和:13149

約数の個数: 24

約数和(自身を含む): 102415320

約数和(自身を除く): 29988095

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 5525, 13109, 65545, 170417, 222853, 327725, 852085, 1114265, 2897089, 4260425, 5571325, 14485445, 72427225]

約数ペア:

[(1, 72427225), (5, 14485445), (13, 5571325), (17, 4260425), (25, 2897089), (65, 1114265), (85, 852085), (221, 327725), (325, 222853), (425, 170417), (1105, 65545), (5525, 13109)]