31293808

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21493}}^1$

素因数の和:21521

約数の個数: 40

約数和(自身を含む): 74627168

約数和(自身を除く): 43333360

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 21493, 42986, 85972, 150451, 171944, 279409, 300902, 343888, 558818, 601804, 1117636, 1203608, 1955863, 2235272, 2407216, 3911726, 4470544, 7823452, 15646904, 31293808]

約数ペア:

[(1, 31293808), (2, 15646904), (4, 7823452), (7, 4470544), (8, 3911726), (13, 2407216), (14, 2235272), (16, 1955863), (26, 1203608), (28, 1117636), (52, 601804), (56, 558818), (91, 343888), (104, 300902), (112, 279409), (182, 171944), (208, 150451), (364, 85972), (728, 42986), (1456, 21493)]