28490084

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{21649}}^1$

素因数の和:21707

約数の個数: 24

約数和(自身を含む): 58195200

約数和(自身を除く): 29705116

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 21649, 43298, 86596, 151543, 303086, 606172, 1017503, 2035006, 4070012, 7122521, 14245042, 28490084]

約数ペア:

[(1, 28490084), (2, 14245042), (4, 7122521), (7, 4070012), (14, 2035006), (28, 1017503), (47, 606172), (94, 303086), (188, 151543), (329, 86596), (658, 43298), (1316, 21649)]