81559814

素因数分解:

$2^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{6353}}^1$

素因数の和:6500

約数の個数: 24

約数和(自身を含む): 143422488

約数和(自身を除く): 61862674

約数列:

[1, 2, 7, 14, 49, 98, 131, 262, 917, 1834, 6353, 6419, 12706, 12838, 44471, 88942, 311297, 622594, 832243, 1664486, 5825701, 11651402, 40779907, 81559814]

約数ペア:

[(1, 81559814), (2, 40779907), (7, 11651402), (14, 5825701), (49, 1664486), (98, 832243), (131, 622594), (262, 311297), (917, 88942), (1834, 44471), (6353, 12838), (6419, 12706)]