397106689

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{409}}^1$

素因数の和:673

約数の個数: 32

約数和(自身を含む): 495936000

約数和(自身を除く): 98829311

約数列:

[1, 7, 17, 41, 119, 199, 287, 409, 697, 1393, 2863, 3383, 4879, 6953, 8159, 16769, 23681, 48671, 57113, 81391, 117383, 138703, 285073, 569737, 970921, 1383647, 1995511, 3337031, 9685529, 23359217, 56729527, 397106689]

約数ペア:

[(1, 397106689), (7, 56729527), (17, 23359217), (41, 9685529), (119, 3337031), (199, 1995511), (287, 1383647), (409, 970921), (697, 569737), (1393, 285073), (2863, 138703), (3383, 117383), (4879, 81391), (6953, 57113), (8159, 48671), (16769, 23681)]