28820890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{411727}}^1$

素因数の和:411741

約数の個数: 16

約数和(自身を含む): 59288832

約数和(自身を除く): 30467942

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 411727, 823454, 2058635, 2882089, 4117270, 5764178, 14410445, 28820890]

約数ペア:

[(1, 28820890), (2, 14410445), (5, 5764178), (7, 4117270), (10, 2882089), (14, 2058635), (35, 823454), (70, 411727)]