13991075

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2579}}^1$

素因数の和:2627

約数の個数: 24

約数和(自身を含む): 20474880

約数和(自身を除く): 6483805

約数列:

[1, 5, 7, 25, 31, 35, 155, 175, 217, 775, 1085, 2579, 5425, 12895, 18053, 64475, 79949, 90265, 399745, 451325, 559643, 1998725, 2798215, 13991075]

約数ペア:

[(1, 13991075), (5, 2798215), (7, 1998725), (25, 559643), (31, 451325), (35, 399745), (155, 90265), (175, 79949), (217, 64475), (775, 18053), (1085, 12895), (2579, 5425)]