81354882

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{421}}^1$

素因数の和:583

約数の個数: 64

約数和(自身を含む): 192513024

約数和(自身を除く): 111158142

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 107, 129, 214, 258, 301, 321, 421, 602, 642, 749, 842, 903, 1263, 1498, 1806, 2247, 2526, 2947, 4494, 4601, 5894, 8841, 9202, 13803, 17682, 18103, 27606, 32207, 36206, 45047, 54309, 64414, 90094, 96621, 108618, 126721, 135141, 193242, 253442, 270282, 315329, 380163, 630658, 760326, 945987, 1891974, 1937021, 3874042, 5811063, 11622126, 13559147, 27118294, 40677441, 81354882]

約数ペア:

[(1, 81354882), (2, 40677441), (3, 27118294), (6, 13559147), (7, 11622126), (14, 5811063), (21, 3874042), (42, 1937021), (43, 1891974), (86, 945987), (107, 760326), (129, 630658), (214, 380163), (258, 315329), (301, 270282), (321, 253442), (421, 193242), (602, 135141), (642, 126721), (749, 108618), (842, 96621), (903, 90094), (1263, 64414), (1498, 54309), (1806, 45047), (2247, 36206), (2526, 32207), (2947, 27606), (4494, 18103), (4601, 17682), (5894, 13803), (8841, 9202)]