1640386769

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{71}}^2\times {\mathrm{229}}^1$

素因数の和:414

約数の個数: 36

約数和(自身を含む): 2010942900

約数和(自身を除く): 370556131

約数列:

[1, 7, 29, 49, 71, 203, 229, 497, 1421, 1603, 2059, 3479, 5041, 6641, 11221, 14413, 16259, 35287, 46487, 100891, 113813, 146189, 247009, 325409, 471511, 796691, 1023323, 1154389, 3300577, 7163261, 8080723, 23104039, 33477281, 56565061, 234340967, 1640386769]

約数ペア:

[(1, 1640386769), (7, 234340967), (29, 56565061), (49, 33477281), (71, 23104039), (203, 8080723), (229, 7163261), (497, 3300577), (1421, 1154389), (1603, 1023323), (2059, 796691), (3479, 471511), (5041, 325409), (6641, 247009), (11221, 146189), (14413, 113813), (16259, 100891), (35287, 46487)]