64947670

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{15427}}^1$

素因数の和:15855

約数の個数: 16

約数和(自身を含む): 117191088

約数和(自身を除く): 52243418

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 15427, 30854, 77135, 154270, 6494767, 12989534, 32473835, 64947670]

約数ペア:

[(1, 64947670), (2, 32473835), (5, 12989534), (10, 6494767), (421, 154270), (842, 77135), (2105, 30854), (4210, 15427)]