201426491

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 243809280

約数和(自身を除く): 42382789

約数列:

[1, 7, 43, 73, 89, 103, 301, 511, 623, 721, 3139, 3827, 4429, 6497, 7519, 9167, 21973, 26789, 31003, 45479, 52633, 64169, 279371, 323317, 394181, 669191, 1955597, 2263219, 2759267, 4684337, 28775213, 201426491]

約数ペア:

[(1, 201426491), (7, 28775213), (43, 4684337), (73, 2759267), (89, 2263219), (103, 1955597), (301, 669191), (511, 394181), (623, 323317), (721, 279371), (3139, 64169), (3827, 52633), (4429, 45479), (6497, 31003), (7519, 26789), (9167, 21973)]