1681221904

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{1982573}}^1$

素因数の和:1982634

約数の個数: 20

約数和(自身を含む): 3318828876

約数和(自身を除く): 1637606972

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 1982573, 3965146, 7930292, 15860584, 31721168, 105076369, 210152738, 420305476, 840610952, 1681221904]

約数ペア:

[(1, 1681221904), (2, 840610952), (4, 420305476), (8, 210152738), (16, 105076369), (53, 31721168), (106, 15860584), (212, 7930292), (424, 3965146), (848, 1982573)]