28187848

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{20849}}^1$

素因数の和:20881

約数の個数: 24

約数和(自身を含む): 57233250

約数和(自身を除く): 29045402

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 20849, 41698, 83396, 166792, 271037, 542074, 1084148, 2168296, 3523481, 7046962, 14093924, 28187848]

約数ペア:

[(1, 28187848), (2, 14093924), (4, 7046962), (8, 3523481), (13, 2168296), (26, 1084148), (52, 542074), (104, 271037), (169, 166792), (338, 83396), (676, 41698), (1352, 20849)]