668911448

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{40609}}^1$

素因数の和:40715

約数の個数: 32

約数和(自身を含む): 1315764000

約数和(自身を除く): 646852552

約数列:

[1, 2, 4, 8, 29, 58, 71, 116, 142, 232, 284, 568, 2059, 4118, 8236, 16472, 40609, 81218, 162436, 324872, 1177661, 2355322, 2883239, 4710644, 5766478, 9421288, 11532956, 23065912, 83613931, 167227862, 334455724, 668911448]

約数ペア:

[(1, 668911448), (2, 334455724), (4, 167227862), (8, 83613931), (29, 23065912), (58, 11532956), (71, 9421288), (116, 5766478), (142, 4710644), (232, 2883239), (284, 2355322), (568, 1177661), (2059, 324872), (4118, 162436), (8236, 81218), (16472, 40609)]