17979827778857

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{5635361}}^1$

素因数の和:5635566

約数の個数: 48

約数和(自身を含む): 23127525648000

約数和(自身を除く): 5147697869143

約数列:

[1, 7, 19, 23, 49, 133, 149, 161, 437, 931, 1043, 1127, 2831, 3059, 3427, 7301, 19817, 21413, 23989, 65113, 138719, 167923, 455791, 3190537, 5635361, 39447527, 107071859, 129613303, 276132689, 749503013, 839668789, 907293121, 2462652757, 5246521091, 5877681523, 6351051847, 15953706991, 17238569299, 19312382147, 41143770661, 111675948937, 120669985093, 135186675029, 366935260793, 781731642559, 946306725203, 2568546825551, 17979827778857]

約数ペア:

[(1, 17979827778857), (7, 2568546825551), (19, 946306725203), (23, 781731642559), (49, 366935260793), (133, 135186675029), (149, 120669985093), (161, 111675948937), (437, 41143770661), (931, 19312382147), (1043, 17238569299), (1127, 15953706991), (2831, 6351051847), (3059, 5877681523), (3427, 5246521091), (7301, 2462652757), (19817, 907293121), (21413, 839668789), (23989, 749503013), (65113, 276132689), (138719, 129613303), (167923, 107071859), (455791, 39447527), (3190537, 5635361)]