161228018

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1\times {\mathrm{709}}^1$

素因数の和:1194

約数の個数: 32

約数和(自身を含む): 284908800

約数和(自身を除く): 123680782

約数列:

[1, 2, 7, 14, 37, 74, 259, 439, 518, 709, 878, 1418, 3073, 4963, 6146, 9926, 16243, 26233, 32486, 52466, 113701, 183631, 227402, 311251, 367262, 622502, 2178757, 4357514, 11516287, 23032574, 80614009, 161228018]

約数ペア:

[(1, 161228018), (2, 80614009), (7, 23032574), (14, 11516287), (37, 4357514), (74, 2178757), (259, 622502), (439, 367262), (518, 311251), (709, 227402), (878, 183631), (1418, 113701), (3073, 52466), (4963, 32486), (6146, 26233), (9926, 16243)]