128434636

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{67883}}^1$

素因数の和:67941

約数の個数: 24

約数和(自身を含む): 250899264

約数和(自身を除く): 122464628

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 67883, 135766, 271532, 746713, 1493426, 2918969, 2986852, 5837938, 11675876, 32108659, 64217318, 128434636]

約数ペア:

[(1, 128434636), (2, 64217318), (4, 32108659), (11, 11675876), (22, 5837938), (43, 2986852), (44, 2918969), (86, 1493426), (172, 746713), (473, 271532), (946, 135766), (1892, 67883)]