31321225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5669}}^1$

素因数の和:5709

約数の個数: 24

約数和(自身を含む): 44294040

約数和(自身を除く): 12972815

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 5525, 5669, 28345, 73697, 96373, 141725, 368485, 481865, 1252849, 1842425, 2409325, 6264245, 31321225]

約数ペア:

[(1, 31321225), (5, 6264245), (13, 2409325), (17, 1842425), (25, 1252849), (65, 481865), (85, 368485), (221, 141725), (325, 96373), (425, 73697), (1105, 28345), (5525, 5669)]