66955816

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{1289}}^1$

素因数の和:1489

約数の個数: 32

約数和(自身を含む): 129412800

約数和(自身を除く): 62456984

約数列:

[1, 2, 4, 8, 43, 86, 151, 172, 302, 344, 604, 1208, 1289, 2578, 5156, 6493, 10312, 12986, 25972, 51944, 55427, 110854, 194639, 221708, 389278, 443416, 778556, 1557112, 8369477, 16738954, 33477908, 66955816]

約数ペア:

[(1, 66955816), (2, 33477908), (4, 16738954), (8, 8369477), (43, 1557112), (86, 778556), (151, 443416), (172, 389278), (302, 221708), (344, 194639), (604, 110854), (1208, 55427), (1289, 51944), (2578, 25972), (5156, 12986), (6493, 10312)]