64404130

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{131437}}^1$

素因数の和:131458

約数の個数: 24

約数和(自身を含む): 134855388

約数和(自身を除く): 70451258

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 131437, 262874, 657185, 920059, 1314370, 1840118, 4600295, 6440413, 9200590, 12880826, 32202065, 64404130]

約数ペア:

[(1, 64404130), (2, 32202065), (5, 12880826), (7, 9200590), (10, 6440413), (14, 4600295), (35, 1840118), (49, 1314370), (70, 920059), (98, 657185), (245, 262874), (490, 131437)]