243358414

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{1997}}^1$

素因数の和:2164

約数の個数: 32

約数和(自身を含む): 406153440

約数和(自身を除く): 162795026

約数列:

[1, 2, 13, 26, 43, 86, 109, 218, 559, 1118, 1417, 1997, 2834, 3994, 4687, 9374, 25961, 51922, 60931, 85871, 121862, 171742, 217673, 435346, 1116323, 2232646, 2829749, 5659498, 9359939, 18719878, 121679207, 243358414]

約数ペア:

[(1, 243358414), (2, 121679207), (13, 18719878), (26, 9359939), (43, 5659498), (86, 2829749), (109, 2232646), (218, 1116323), (559, 435346), (1118, 217673), (1417, 171742), (1997, 121862), (2834, 85871), (3994, 60931), (4687, 51922), (9374, 25961)]