31249210

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{28669}}^1$

素因数の和:28785

約数の個数: 16

約数和(自身を含む): 56766600

約数和(自身を除く): 25517390

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 28669, 57338, 143345, 286690, 3124921, 6249842, 15624605, 31249210]

約数ペア:

[(1, 31249210), (2, 15624605), (5, 6249842), (10, 3124921), (109, 286690), (218, 143345), (545, 57338), (1090, 28669)]