28658910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{136471}}^1$

素因数の和:136488

約数の個数: 32

約数和(自身を含む): 78607872

約数和(自身を除く): 49948962

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 136471, 272942, 409413, 682355, 818826, 955297, 1364710, 1910594, 2047065, 2865891, 4094130, 4776485, 5731782, 9552970, 14329455, 28658910]

約数ペア:

[(1, 28658910), (2, 14329455), (3, 9552970), (5, 5731782), (6, 4776485), (7, 4094130), (10, 2865891), (14, 2047065), (15, 1910594), (21, 1364710), (30, 955297), (35, 818826), (42, 682355), (70, 409413), (105, 272942), (210, 136471)]