128654581

素因数分解:

${\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{313}}^1$

素因数の和:457

約数の個数: 24

約数和(自身を含む): 147002240

約数和(自身を除く): 18347659

約数列:

[1, 11, 43, 79, 121, 313, 473, 869, 3397, 3443, 5203, 9559, 13459, 24727, 37367, 37873, 148049, 271997, 411037, 1063261, 1628539, 2991967, 11695871, 128654581]

約数ペア:

[(1, 128654581), (11, 11695871), (43, 2991967), (79, 1628539), (121, 1063261), (313, 411037), (473, 271997), (869, 148049), (3397, 37873), (3443, 37367), (5203, 24727), (9559, 13459)]