81982439

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1709}}^1$

素因数の和:1823

約数の個数: 24

約数和(自身を含む): 105267600

約数和(自身を除く): 23285161

約数列:

[1, 7, 11, 49, 77, 89, 539, 623, 979, 1709, 4361, 6853, 11963, 18799, 47971, 83741, 131593, 152101, 921151, 1064707, 1673111, 7452949, 11711777, 81982439]

約数ペア:

[(1, 81982439), (7, 11711777), (11, 7452949), (49, 1673111), (77, 1064707), (89, 921151), (539, 152101), (623, 131593), (979, 83741), (1709, 47971), (4361, 18799), (6853, 11963)]