644920444

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{503}}^1\times {\mathrm{1579}}^1$

素因数の和:2122

約数の個数: 48

約数和(自身を含む): 1337817600

約数和(自身を除く): 692897156

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 503, 812, 1006, 1579, 2012, 3158, 3521, 6316, 7042, 11053, 14084, 14587, 22106, 29174, 44212, 45791, 58348, 91582, 102109, 183164, 204218, 320537, 408436, 641074, 794237, 1282148, 1588474, 3176948, 5559659, 11119318, 22238636, 23032873, 46065746, 92131492, 161230111, 322460222, 644920444]

約数ペア:

[(1, 644920444), (2, 322460222), (4, 161230111), (7, 92131492), (14, 46065746), (28, 23032873), (29, 22238636), (58, 11119318), (116, 5559659), (203, 3176948), (406, 1588474), (503, 1282148), (812, 794237), (1006, 641074), (1579, 408436), (2012, 320537), (3158, 204218), (3521, 183164), (6316, 102109), (7042, 91582), (11053, 58348), (14084, 45791), (14587, 44212), (22106, 29174)]