28690218

素因数分解:

$2^1\times 3^2\times {\mathrm{89}}^1\times {\mathrm{17909}}^1$

素因数の和:18006

約数の個数: 24

約数和(自身を含む): 62864100

約数和(自身を除く): 34173882

約数列:

[1, 2, 3, 6, 9, 18, 89, 178, 267, 534, 801, 1602, 17909, 35818, 53727, 107454, 161181, 322362, 1593901, 3187802, 4781703, 9563406, 14345109, 28690218]

約数ペア:

[(1, 28690218), (2, 14345109), (3, 9563406), (6, 4781703), (9, 3187802), (18, 1593901), (89, 322362), (178, 161181), (267, 107454), (534, 53727), (801, 35818), (1602, 17909)]