83209987

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{643}}^1$

素因数の和:815

約数の個数: 24

約数和(自身を含む): 102782400

約数和(自身を除く): 19572413

約数列:

[1, 7, 19, 49, 133, 139, 643, 931, 973, 2641, 4501, 6811, 12217, 18487, 31507, 85519, 89377, 129409, 598633, 625639, 1698163, 4379473, 11887141, 83209987]

約数ペア:

[(1, 83209987), (7, 11887141), (19, 4379473), (49, 1698163), (133, 625639), (139, 598633), (643, 129409), (931, 89377), (973, 85519), (2641, 31507), (4501, 18487), (6811, 12217)]