22779995

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 32348160

約数和(自身を除く): 9568165

約数列:

[1, 5, 7, 35, 71, 89, 103, 355, 445, 497, 515, 623, 721, 2485, 3115, 3605, 6319, 7313, 9167, 31595, 36565, 44233, 45835, 51191, 64169, 221165, 255955, 320845, 650857, 3254285, 4555999, 22779995]

約数ペア:

[(1, 22779995), (5, 4555999), (7, 3254285), (35, 650857), (71, 320845), (89, 255955), (103, 221165), (355, 64169), (445, 51191), (497, 45835), (515, 44233), (623, 36565), (721, 31595), (2485, 9167), (3115, 7313), (3605, 6319)]