2981390

素因数分解:

$2^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{673}}^1$

素因数の和:1123

約数の個数: 16

約数和(自身を含む): 5386608

約数和(自身を除く): 2405218

約数列:

[1, 2, 5, 10, 443, 673, 886, 1346, 2215, 3365, 4430, 6730, 298139, 596278, 1490695, 2981390]

約数ペア:

[(1, 2981390), (2, 1490695), (5, 596278), (10, 298139), (443, 6730), (673, 4430), (886, 3365), (1346, 2215)]