221437874

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{4133}}^1$

素因数の和:4274

約数の個数: 32

約数和(自身を含む): 392895360

約数和(自身を除く): 171457486

約数列:

[1, 2, 7, 14, 43, 86, 89, 178, 301, 602, 623, 1246, 3827, 4133, 7654, 8266, 26789, 28931, 53578, 57862, 177719, 355438, 367837, 735674, 1244033, 2488066, 2574859, 5149718, 15816991, 31633982, 110718937, 221437874]

約数ペア:

[(1, 221437874), (2, 110718937), (7, 31633982), (14, 15816991), (43, 5149718), (86, 2574859), (89, 2488066), (178, 1244033), (301, 735674), (602, 367837), (623, 355438), (1246, 177719), (3827, 57862), (4133, 53578), (7654, 28931), (8266, 26789)]