31489010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{4127}}^1$

素因数の和:4250

約数の個数: 32

約数和(自身を含む): 65387520

約数和(自身を除く): 33898510

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 109, 218, 545, 763, 1090, 1526, 3815, 4127, 7630, 8254, 20635, 28889, 41270, 57778, 144445, 288890, 449843, 899686, 2249215, 3148901, 4498430, 6297802, 15744505, 31489010]

約数ペア:

[(1, 31489010), (2, 15744505), (5, 6297802), (7, 4498430), (10, 3148901), (14, 2249215), (35, 899686), (70, 449843), (109, 288890), (218, 144445), (545, 57778), (763, 41270), (1090, 28889), (1526, 20635), (3815, 8254), (4127, 7630)]