81894790

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{839}}^1$

素因数の和:1116

約数の個数: 32

約数和(自身を含む): 151683840

約数和(自身を除く): 69789050

約数列:

[1, 2, 5, 10, 43, 86, 215, 227, 430, 454, 839, 1135, 1678, 2270, 4195, 8390, 9761, 19522, 36077, 48805, 72154, 97610, 180385, 190453, 360770, 380906, 952265, 1904530, 8189479, 16378958, 40947395, 81894790]

約数ペア:

[(1, 81894790), (2, 40947395), (5, 16378958), (10, 8189479), (43, 1904530), (86, 952265), (215, 380906), (227, 360770), (430, 190453), (454, 180385), (839, 97610), (1135, 72154), (1678, 48805), (2270, 36077), (4195, 19522), (8390, 9761)]