861488

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{2341}}^1$

素因数の和:2372

約数の個数: 20

約数和(自身を含む): 1742448

約数和(自身を除く): 880960

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 2341, 4682, 9364, 18728, 37456, 53843, 107686, 215372, 430744, 861488]

約数ペア:

[(1, 861488), (2, 430744), (4, 215372), (8, 107686), (16, 53843), (23, 37456), (46, 18728), (92, 9364), (184, 4682), (368, 2341)]