66118568

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{201581}}^1$

素因数の和:201628

約数の個数: 16

約数和(自身を含む): 126996660

約数和(自身を除く): 60878092

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 201581, 403162, 806324, 1612648, 8264821, 16529642, 33059284, 66118568]

約数ペア:

[(1, 66118568), (2, 33059284), (4, 16529642), (8, 8264821), (41, 1612648), (82, 806324), (164, 403162), (328, 201581)]