81330390872

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{487}}^1\times {\mathrm{2447}}^1$

素因数の和:3408

約数の個数: 64

約数和(自身を含む): 161274240000

約数和(自身を除く): 79943849128

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 449, 487, 898, 974, 1796, 1948, 2447, 3592, 3896, 4894, 8531, 9253, 9788, 17062, 18506, 19576, 34124, 37012, 46493, 68248, 74024, 92986, 185972, 218663, 371944, 437326, 874652, 1098703, 1191689, 1749304, 2197406, 2383378, 4154597, 4394812, 4766756, 8309194, 8789624, 9533512, 16618388, 20875357, 22642091, 33236776, 41750714, 45284182, 83501428, 90568364, 167002856, 181136728, 535068361, 1070136722, 2140273444, 4280546888, 10166298859, 20332597718, 40665195436, 81330390872]

約数ペア:

[(1, 81330390872), (2, 40665195436), (4, 20332597718), (8, 10166298859), (19, 4280546888), (38, 2140273444), (76, 1070136722), (152, 535068361), (449, 181136728), (487, 167002856), (898, 90568364), (974, 83501428), (1796, 45284182), (1948, 41750714), (2447, 33236776), (3592, 22642091), (3896, 20875357), (4894, 16618388), (8531, 9533512), (9253, 8789624), (9788, 8309194), (17062, 4766756), (18506, 4394812), (19576, 4154597), (34124, 2383378), (37012, 2197406), (46493, 1749304), (68248, 1191689), (74024, 1098703), (92986, 874652), (185972, 437326), (218663, 371944)]