138567425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{571}}^2$

素因数の和:1169

約数の個数: 18

約数和(自身を含む): 182250054

約数和(自身を除く): 43682629

約数列:

[1, 5, 17, 25, 85, 425, 571, 2855, 9707, 14275, 48535, 242675, 326041, 1630205, 5542697, 8151025, 27713485, 138567425]

約数ペア:

[(1, 138567425), (5, 27713485), (17, 8151025), (25, 5542697), (85, 1630205), (425, 326041), (571, 242675), (2855, 48535), (9707, 14275)]