278758206

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{224443}}^1$

素因数の和:224477

約数の個数: 32

約数和(自身を含む): 646398720

約数和(自身を除く): 367640514

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242, 224443, 448886, 673329, 1346658, 2019987, 4039974, 5162189, 6059961, 10324378, 12119922, 15486567, 30973134, 46459701, 92919402, 139379103, 278758206]

約数ペア:

[(1, 278758206), (2, 139379103), (3, 92919402), (6, 46459701), (9, 30973134), (18, 15486567), (23, 12119922), (27, 10324378), (46, 6059961), (54, 5162189), (69, 4039974), (138, 2019987), (207, 1346658), (414, 673329), (621, 448886), (1242, 224443)]