28298972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{1399}}^1$

素因数の和:1805

約数の個数: 24

約数和(自身を含む): 53508000

約数和(自身を除く): 25209028

約数列:

[1, 2, 4, 13, 26, 52, 389, 778, 1399, 1556, 2798, 5057, 5596, 10114, 18187, 20228, 36374, 72748, 544211, 1088422, 2176844, 7074743, 14149486, 28298972]

約数ペア:

[(1, 28298972), (2, 14149486), (4, 7074743), (13, 2176844), (26, 1088422), (52, 544211), (389, 72748), (778, 36374), (1399, 20228), (1556, 18187), (2798, 10114), (5057, 5596)]