81732

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{139}}^1$

素因数の和:160

約数の個数: 36

約数和(自身を含む): 223440

約数和(自身を除く): 141708

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 139, 147, 196, 278, 294, 417, 556, 588, 834, 973, 1668, 1946, 2919, 3892, 5838, 6811, 11676, 13622, 20433, 27244, 40866, 81732]

約数ペア:

[(1, 81732), (2, 40866), (3, 27244), (4, 20433), (6, 13622), (7, 11676), (12, 6811), (14, 5838), (21, 3892), (28, 2919), (42, 1946), (49, 1668), (84, 973), (98, 834), (139, 588), (147, 556), (196, 417), (278, 294)]