161275933

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2521}}^1$

素因数の和:2597

約数の個数: 32

約数和(自身を含む): 214672640

約数和(自身を除く): 53396707

約数列:

[1, 7, 13, 19, 37, 91, 133, 247, 259, 481, 703, 1729, 2521, 3367, 4921, 9139, 17647, 32773, 47899, 63973, 93277, 229411, 335293, 622687, 652939, 1212601, 1772263, 4358809, 8488207, 12405841, 23039419, 161275933]

約数ペア:

[(1, 161275933), (7, 23039419), (13, 12405841), (19, 8488207), (37, 4358809), (91, 1772263), (133, 1212601), (247, 652939), (259, 622687), (481, 335293), (703, 229411), (1729, 93277), (2521, 63973), (3367, 47899), (4921, 32773), (9139, 17647)]