31498325

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{419}}^1$

素因数の和:557

約数の個数: 24

約数和(自身を含む): 40830720

約数和(自身を除く): 9332395

約数列:

[1, 5, 25, 31, 97, 155, 419, 485, 775, 2095, 2425, 3007, 10475, 12989, 15035, 40643, 64945, 75175, 203215, 324725, 1016075, 1259933, 6299665, 31498325]

約数ペア:

[(1, 31498325), (5, 6299665), (25, 1259933), (31, 1016075), (97, 324725), (155, 203215), (419, 75175), (485, 64945), (775, 40643), (2095, 15035), (2425, 12989), (3007, 10475)]