81100236

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{22453}}^1$

素因数の和:22510

約数の個数: 48

約数和(自身を含む): 221306624

約数和(自身を除く): 140206388

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 172, 258, 301, 516, 602, 903, 1204, 1806, 3612, 22453, 44906, 67359, 89812, 134718, 157171, 269436, 314342, 471513, 628684, 943026, 965479, 1886052, 1930958, 2896437, 3861916, 5792874, 6758353, 11585748, 13516706, 20275059, 27033412, 40550118, 81100236]

約数ペア:

[(1, 81100236), (2, 40550118), (3, 27033412), (4, 20275059), (6, 13516706), (7, 11585748), (12, 6758353), (14, 5792874), (21, 3861916), (28, 2896437), (42, 1930958), (43, 1886052), (84, 965479), (86, 943026), (129, 628684), (172, 471513), (258, 314342), (301, 269436), (516, 157171), (602, 134718), (903, 89812), (1204, 67359), (1806, 44906), (3612, 22453)]