31382864

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:387

約数の個数: 40

約数和(自身を含む): 62287680

約数和(自身を除く): 30904816

約数列:

[1, 2, 4, 8, 16, 103, 137, 139, 206, 274, 278, 412, 548, 556, 824, 1096, 1112, 1648, 2192, 2224, 14111, 14317, 19043, 28222, 28634, 38086, 56444, 57268, 76172, 112888, 114536, 152344, 225776, 229072, 304688, 1961429, 3922858, 7845716, 15691432, 31382864]

約数ペア:

[(1, 31382864), (2, 15691432), (4, 7845716), (8, 3922858), (16, 1961429), (103, 304688), (137, 229072), (139, 225776), (206, 152344), (274, 114536), (278, 112888), (412, 76172), (548, 57268), (556, 56444), (824, 38086), (1096, 28634), (1112, 28222), (1648, 19043), (2192, 14317), (2224, 14111)]