7131725

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:269

約数の個数: 24

約数和(自身を含む): 9404160

約数和(自身を除く): 2272435

約数列:

[1, 5, 23, 25, 79, 115, 157, 395, 575, 785, 1817, 1975, 3611, 3925, 9085, 12403, 18055, 45425, 62015, 90275, 285269, 310075, 1426345, 7131725]

約数ペア:

[(1, 7131725), (5, 1426345), (23, 310075), (25, 285269), (79, 90275), (115, 62015), (157, 45425), (395, 18055), (575, 12403), (785, 9085), (1817, 3925), (1975, 3611)]