64440628

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1361}}^1$

素因数の和:1480

約数の個数: 48

約数和(自身を含む): 137289600

約数和(自身を除く): 72848972

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 89, 133, 178, 266, 356, 532, 623, 1246, 1361, 1691, 2492, 2722, 3382, 5444, 6764, 9527, 11837, 19054, 23674, 25859, 38108, 47348, 51718, 103436, 121129, 181013, 242258, 362026, 484516, 724052, 847903, 1695806, 2301451, 3391612, 4602902, 9205804, 16110157, 32220314, 64440628]

約数ペア:

[(1, 64440628), (2, 32220314), (4, 16110157), (7, 9205804), (14, 4602902), (19, 3391612), (28, 2301451), (38, 1695806), (76, 847903), (89, 724052), (133, 484516), (178, 362026), (266, 242258), (356, 181013), (532, 121129), (623, 103436), (1246, 51718), (1361, 47348), (1691, 38108), (2492, 25859), (2722, 23674), (3382, 19054), (5444, 11837), (6764, 9527)]