64634470

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{72623}}^1$

素因数の和:72719

約数の個数: 16

約数和(自身を含む): 117650880

約数和(自身を除く): 53016410

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 72623, 145246, 363115, 726230, 6463447, 12926894, 32317235, 64634470]

約数ペア:

[(1, 64634470), (2, 32317235), (5, 12926894), (10, 6463447), (89, 726230), (178, 363115), (445, 145246), (890, 72623)]