31919998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{317}}^1$

素因数の和:552

約数の個数: 32

約数和(自身を含む): 54950400

約数和(自身を除く): 23030402

約数列:

[1, 2, 11, 22, 23, 46, 199, 253, 317, 398, 506, 634, 2189, 3487, 4378, 4577, 6974, 7291, 9154, 14582, 50347, 63083, 80201, 100694, 126166, 160402, 693913, 1387826, 1450909, 2901818, 15959999, 31919998]

約数ペア:

[(1, 31919998), (2, 15959999), (11, 2901818), (22, 1450909), (23, 1387826), (46, 693913), (199, 160402), (253, 126166), (317, 100694), (398, 80201), (506, 63083), (634, 50347), (2189, 14582), (3487, 9154), (4378, 7291), (4577, 6974)]