28281218

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{14533}}^1$

素因数の和:14681

約数の個数: 16

約数和(自身を含む): 48834240

約数和(自身を除く): 20553022

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 14533, 29066, 101731, 203462, 2020087, 4040174, 14140609, 28281218]

約数ペア:

[(1, 28281218), (2, 14140609), (7, 4040174), (14, 2020087), (139, 203462), (278, 101731), (973, 29066), (1946, 14533)]