28811675

素因数分解:

$5^2\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:347

約数の個数: 24

約数和(自身を含む): 36830976

約数和(自身を除く): 8019301

約数列:

[1, 5, 25, 67, 103, 167, 335, 515, 835, 1675, 2575, 4175, 6901, 11189, 17201, 34505, 55945, 86005, 172525, 279725, 430025, 1152467, 5762335, 28811675]

約数ペア:

[(1, 28811675), (5, 5762335), (25, 1152467), (67, 430025), (103, 279725), (167, 172525), (335, 86005), (515, 55945), (835, 34505), (1675, 17201), (2575, 11189), (4175, 6901)]