557776

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:570

約数の個数: 20

約数和(自身を含む): 1098144

約数和(自身を除く): 540368

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 491, 568, 982, 1136, 1964, 3928, 7856, 34861, 69722, 139444, 278888, 557776]

約数ペア:

[(1, 557776), (2, 278888), (4, 139444), (8, 69722), (16, 34861), (71, 7856), (142, 3928), (284, 1964), (491, 1136), (568, 982)]