28517916

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1609}}^1$

素因数の和:1834

約数の個数: 48

約数和(自身を含む): 76455680

約数和(自身を除く): 47937764

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 211, 422, 633, 844, 1266, 1477, 1609, 2532, 2954, 3218, 4431, 4827, 5908, 6436, 8862, 9654, 11263, 17724, 19308, 22526, 33789, 45052, 67578, 135156, 339499, 678998, 1018497, 1357996, 2036994, 2376493, 4073988, 4752986, 7129479, 9505972, 14258958, 28517916]

約数ペア:

[(1, 28517916), (2, 14258958), (3, 9505972), (4, 7129479), (6, 4752986), (7, 4073988), (12, 2376493), (14, 2036994), (21, 1357996), (28, 1018497), (42, 678998), (84, 339499), (211, 135156), (422, 67578), (633, 45052), (844, 33789), (1266, 22526), (1477, 19308), (1609, 17724), (2532, 11263), (2954, 9654), (3218, 8862), (4431, 6436), (4827, 5908)]