31106390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{4993}}^1$

素因数の和:5096

約数の個数: 32

約数和(自身を含む): 64722240

約数和(自身を除く): 33615850

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 445, 623, 890, 1246, 3115, 4993, 6230, 9986, 24965, 34951, 49930, 69902, 174755, 349510, 444377, 888754, 2221885, 3110639, 4443770, 6221278, 15553195, 31106390]

約数ペア:

[(1, 31106390), (2, 15553195), (5, 6221278), (7, 4443770), (10, 3110639), (14, 2221885), (35, 888754), (70, 444377), (89, 349510), (178, 174755), (445, 69902), (623, 49930), (890, 34951), (1246, 24965), (3115, 9986), (4993, 6230)]