31597904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2081}}^1$

素因数の和:2175

約数の個数: 40

約数和(自身を含む): 66865512

約数和(自身を除く): 35267608

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 73, 104, 146, 208, 292, 584, 949, 1168, 1898, 2081, 3796, 4162, 7592, 8324, 15184, 16648, 27053, 33296, 54106, 108212, 151913, 216424, 303826, 432848, 607652, 1215304, 1974869, 2430608, 3949738, 7899476, 15798952, 31597904]

約数ペア:

[(1, 31597904), (2, 15798952), (4, 7899476), (8, 3949738), (13, 2430608), (16, 1974869), (26, 1215304), (52, 607652), (73, 432848), (104, 303826), (146, 216424), (208, 151913), (292, 108212), (584, 54106), (949, 33296), (1168, 27053), (1898, 16648), (2081, 15184), (3796, 8324), (4162, 7592)]