289193146

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{27791}}^1$

素因数の和:27858

約数の個数: 24

約数和(自身を含む): 487916352

約数和(自身を除く): 198723206

約数列:

[1, 2, 11, 22, 43, 86, 121, 242, 473, 946, 5203, 10406, 27791, 55582, 305701, 611402, 1195013, 2390026, 3362711, 6725422, 13145143, 26290286, 144596573, 289193146]

約数ペア:

[(1, 289193146), (2, 144596573), (11, 26290286), (22, 13145143), (43, 6725422), (86, 3362711), (121, 2390026), (242, 1195013), (473, 611402), (946, 305701), (5203, 55582), (10406, 27791)]