818372128

素因数分解:

$2^5\times 7^2\times {\mathrm{71}}^1\times {\mathrm{7351}}^1$

素因数の和:7446

約数の個数: 72

約数和(自身を含む): 1900874304

約数和(自身を除く): 1082502176

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 71, 98, 112, 142, 196, 224, 284, 392, 497, 568, 784, 994, 1136, 1568, 1988, 2272, 3479, 3976, 6958, 7351, 7952, 13916, 14702, 15904, 27832, 29404, 51457, 55664, 58808, 102914, 111328, 117616, 205828, 235232, 360199, 411656, 521921, 720398, 823312, 1043842, 1440796, 1646624, 2087684, 2881592, 3653447, 4175368, 5763184, 7306894, 8350736, 11526368, 14613788, 16701472, 25574129, 29227576, 51148258, 58455152, 102296516, 116910304, 204593032, 409186064, 818372128]

約数ペア:

[(1, 818372128), (2, 409186064), (4, 204593032), (7, 116910304), (8, 102296516), (14, 58455152), (16, 51148258), (28, 29227576), (32, 25574129), (49, 16701472), (56, 14613788), (71, 11526368), (98, 8350736), (112, 7306894), (142, 5763184), (196, 4175368), (224, 3653447), (284, 2881592), (392, 2087684), (497, 1646624), (568, 1440796), (784, 1043842), (994, 823312), (1136, 720398), (1568, 521921), (1988, 411656), (2272, 360199), (3479, 235232), (3976, 205828), (6958, 117616), (7351, 111328), (7952, 102914), (13916, 58808), (14702, 55664), (15904, 51457), (27832, 29404)]