31081604

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{1151}}^1$

素因数の和:1355

約数の個数: 24

約数和(自身を含む): 56060928

約数和(自身を除く): 24979324

約数列:

[1, 2, 4, 43, 86, 157, 172, 314, 628, 1151, 2302, 4604, 6751, 13502, 27004, 49493, 98986, 180707, 197972, 361414, 722828, 7770401, 15540802, 31081604]

約数ペア:

[(1, 31081604), (2, 15540802), (4, 7770401), (43, 722828), (86, 361414), (157, 197972), (172, 180707), (314, 98986), (628, 49493), (1151, 27004), (2302, 13502), (4604, 6751)]