66880136

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 136857600

約数和(自身を除く): 69977464

約数列:

[1, 2, 4, 8, 23, 43, 46, 79, 86, 92, 107, 158, 172, 184, 214, 316, 344, 428, 632, 856, 989, 1817, 1978, 2461, 3397, 3634, 3956, 4601, 4922, 6794, 7268, 7912, 8453, 9202, 9844, 13588, 14536, 16906, 18404, 19688, 27176, 33812, 36808, 67624, 78131, 105823, 156262, 194419, 211646, 312524, 363479, 388838, 423292, 625048, 726958, 777676, 846584, 1453916, 1555352, 2907832, 8360017, 16720034, 33440068, 66880136]

約数ペア:

[(1, 66880136), (2, 33440068), (4, 16720034), (8, 8360017), (23, 2907832), (43, 1555352), (46, 1453916), (79, 846584), (86, 777676), (92, 726958), (107, 625048), (158, 423292), (172, 388838), (184, 363479), (214, 312524), (316, 211646), (344, 194419), (428, 156262), (632, 105823), (856, 78131), (989, 67624), (1817, 36808), (1978, 33812), (2461, 27176), (3397, 19688), (3634, 18404), (3956, 16906), (4601, 14536), (4922, 13588), (6794, 9844), (7268, 9202), (7912, 8453)]