84111590

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{19979}}^1$

素因数の和:20407

約数の個数: 16

約数和(自身を含む): 151768080

約数和(自身を除く): 67656490

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 19979, 39958, 99895, 199790, 8411159, 16822318, 42055795, 84111590]

約数ペア:

[(1, 84111590), (2, 42055795), (5, 16822318), (10, 8411159), (421, 199790), (842, 99895), (2105, 39958), (4210, 19979)]