66809218

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{280711}}^1$

素因数の和:280737

約数の個数: 16

約数和(自身を含む): 121267584

約数和(自身を除く): 54458366

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 280711, 561422, 1964977, 3929954, 4772087, 9544174, 33404609, 66809218]

約数ペア:

[(1, 66809218), (2, 33404609), (7, 9544174), (14, 4772087), (17, 3929954), (34, 1964977), (119, 561422), (238, 280711)]