1644292

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:427

約数の個数: 24

約数和(自身を含む): 3139136

約数和(自身を除く): 1494844

約数列:

[1, 2, 4, 13, 26, 52, 103, 206, 307, 412, 614, 1228, 1339, 2678, 3991, 5356, 7982, 15964, 31621, 63242, 126484, 411073, 822146, 1644292]

約数ペア:

[(1, 1644292), (2, 822146), (4, 411073), (13, 126484), (26, 63242), (52, 31621), (103, 15964), (206, 7982), (307, 5356), (412, 3991), (614, 2678), (1228, 1339)]