210668845

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{547}}^1$

素因数の和:789

約数の個数: 32

約数和(自身を含む): 281242368

約数和(自身を除く): 70573523

約数列:

[1, 5, 17, 23, 85, 115, 197, 391, 547, 985, 1955, 2735, 3349, 4531, 9299, 12581, 16745, 22655, 46495, 62905, 77027, 107759, 213877, 385135, 538795, 1069385, 1831903, 2478457, 9159515, 12392285, 42133769, 210668845]

約数ペア:

[(1, 210668845), (5, 42133769), (17, 12392285), (23, 9159515), (85, 2478457), (115, 1831903), (197, 1069385), (391, 538795), (547, 385135), (985, 213877), (1955, 107759), (2735, 77027), (3349, 62905), (4531, 46495), (9299, 22655), (12581, 16745)]