66216678

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{241}}^1$

素因数の和:461

約数の個数: 64

約数和(自身を含む): 152216064

約数和(自身を除く): 85999386

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 138, 181, 241, 253, 362, 482, 506, 543, 723, 759, 1086, 1446, 1518, 1991, 2651, 3982, 4163, 5302, 5543, 5973, 7953, 8326, 11086, 11946, 12489, 15906, 16629, 24978, 33258, 43621, 45793, 60973, 87242, 91586, 121946, 130863, 137379, 182919, 261726, 274758, 365838, 479831, 959662, 1003283, 1439493, 2006566, 2878986, 3009849, 6019698, 11036113, 22072226, 33108339, 66216678]

約数ペア:

[(1, 66216678), (2, 33108339), (3, 22072226), (6, 11036113), (11, 6019698), (22, 3009849), (23, 2878986), (33, 2006566), (46, 1439493), (66, 1003283), (69, 959662), (138, 479831), (181, 365838), (241, 274758), (253, 261726), (362, 182919), (482, 137379), (506, 130863), (543, 121946), (723, 91586), (759, 87242), (1086, 60973), (1446, 45793), (1518, 43621), (1991, 33258), (2651, 24978), (3982, 16629), (4163, 15906), (5302, 12489), (5543, 11946), (5973, 11086), (7953, 8326)]