71471994

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{239}}^1$

素因数の和:475

約数の個数: 64

約数和(自身を含む): 164229120

約数和(自身を除く): 92757126

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 138, 197, 239, 253, 394, 478, 506, 591, 717, 759, 1182, 1434, 1518, 2167, 2629, 4334, 4531, 5258, 5497, 6501, 7887, 9062, 10994, 13002, 13593, 15774, 16491, 27186, 32982, 47083, 49841, 60467, 94166, 99682, 120934, 141249, 149523, 181401, 282498, 299046, 362802, 517913, 1035826, 1082909, 1553739, 2165818, 3107478, 3248727, 6497454, 11911999, 23823998, 35735997, 71471994]

約数ペア:

[(1, 71471994), (2, 35735997), (3, 23823998), (6, 11911999), (11, 6497454), (22, 3248727), (23, 3107478), (33, 2165818), (46, 1553739), (66, 1082909), (69, 1035826), (138, 517913), (197, 362802), (239, 299046), (253, 282498), (394, 181401), (478, 149523), (506, 141249), (591, 120934), (717, 99682), (759, 94166), (1182, 60467), (1434, 49841), (1518, 47083), (2167, 32982), (2629, 27186), (4334, 16491), (4531, 15774), (5258, 13593), (5497, 13002), (6501, 10994), (7887, 9062)]