28405206

素因数分解:

$2^1\times 3^2\times {\mathrm{139}}^1\times {\mathrm{11353}}^1$

素因数の和:11500

約数の個数: 24

約数和(自身を含む): 61992840

約数和(自身を除く): 33587634

約数列:

[1, 2, 3, 6, 9, 18, 139, 278, 417, 834, 1251, 2502, 11353, 22706, 34059, 68118, 102177, 204354, 1578067, 3156134, 4734201, 9468402, 14202603, 28405206]

約数ペア:

[(1, 28405206), (2, 14202603), (3, 9468402), (6, 4734201), (9, 3156134), (18, 1578067), (139, 204354), (278, 102177), (417, 68118), (834, 34059), (1251, 22706), (2502, 11353)]