640315364

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{577}}^1\times {\mathrm{21341}}^1$

素因数の和:21935

約数の個数: 24

約数和(自身を含む): 1208896248

約数和(自身を除く): 568580884

約数列:

[1, 2, 4, 13, 26, 52, 577, 1154, 2308, 7501, 15002, 21341, 30004, 42682, 85364, 277433, 554866, 1109732, 12313757, 24627514, 49255028, 160078841, 320157682, 640315364]

約数ペア:

[(1, 640315364), (2, 320157682), (4, 160078841), (13, 49255028), (26, 24627514), (52, 12313757), (577, 1109732), (1154, 554866), (2308, 277433), (7501, 85364), (15002, 42682), (21341, 30004)]