177531490

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{42169}}^1$

素因数の和:42597

約数の個数: 16

約数和(自身を含む): 320323320

約数和(自身を除く): 142791830

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 42169, 84338, 210845, 421690, 17753149, 35506298, 88765745, 177531490]

約数ペア:

[(1, 177531490), (2, 88765745), (5, 35506298), (10, 17753149), (421, 421690), (842, 210845), (2105, 84338), (4210, 42169)]