389725

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:165

約数の個数: 24

約数和(自身を含む): 589248

約数和(自身を除く): 199523

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 131, 175, 425, 595, 655, 917, 2227, 2975, 3275, 4585, 11135, 15589, 22925, 55675, 77945, 389725]

約数ペア:

[(1, 389725), (5, 77945), (7, 55675), (17, 22925), (25, 15589), (35, 11135), (85, 4585), (119, 3275), (131, 2975), (175, 2227), (425, 917), (595, 655)]