28029883

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2887}}^1$

素因数の和:2986

約数の個数: 16

約数和(自身を含む): 34193920

約数和(自身を除く): 6164037

約数列:

[1, 7, 19, 73, 133, 511, 1387, 2887, 9709, 20209, 54853, 210751, 383971, 1475257, 4004269, 28029883]

約数ペア:

[(1, 28029883), (7, 4004269), (19, 1475257), (73, 383971), (133, 210751), (511, 54853), (1387, 20209), (2887, 9709)]