665988

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:176

約数の個数: 48

約数和(自身を含む): 1720320

約数和(自身を除く): 1054332

約数列:

[1, 2, 3, 4, 6, 12, 19, 23, 38, 46, 57, 69, 76, 92, 114, 127, 138, 228, 254, 276, 381, 437, 508, 762, 874, 1311, 1524, 1748, 2413, 2622, 2921, 4826, 5244, 5842, 7239, 8763, 9652, 11684, 14478, 17526, 28956, 35052, 55499, 110998, 166497, 221996, 332994, 665988]

約数ペア:

[(1, 665988), (2, 332994), (3, 221996), (4, 166497), (6, 110998), (12, 55499), (19, 35052), (23, 28956), (38, 17526), (46, 14478), (57, 11684), (69, 9652), (76, 8763), (92, 7239), (114, 5842), (127, 5244), (138, 4826), (228, 2921), (254, 2622), (276, 2413), (381, 1748), (437, 1524), (508, 1311), (762, 874)]