31491056

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1459}}^1$

素因数の和:1557

約数の個数: 40

約数和(自身を含む): 65174400

約数和(自身を除く): 33683344

約数列:

[1, 2, 4, 8, 16, 19, 38, 71, 76, 142, 152, 284, 304, 568, 1136, 1349, 1459, 2698, 2918, 5396, 5836, 10792, 11672, 21584, 23344, 27721, 55442, 103589, 110884, 207178, 221768, 414356, 443536, 828712, 1657424, 1968191, 3936382, 7872764, 15745528, 31491056]

約数ペア:

[(1, 31491056), (2, 15745528), (4, 7872764), (8, 3936382), (16, 1968191), (19, 1657424), (38, 828712), (71, 443536), (76, 414356), (142, 221768), (152, 207178), (284, 110884), (304, 103589), (568, 55442), (1136, 27721), (1349, 23344), (1459, 21584), (2698, 11672), (2918, 10792), (5396, 5836)]