207980164

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{172741}}^1$

素因数の和:172795

約数の個数: 24

約数和(自身を含む): 425636288

約数和(自身を除く): 217656124

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 172741, 345482, 690964, 1209187, 2418374, 4836748, 7427863, 14855726, 29711452, 51995041, 103990082, 207980164]

約数ペア:

[(1, 207980164), (2, 103990082), (4, 51995041), (7, 29711452), (14, 14855726), (28, 7427863), (43, 4836748), (86, 2418374), (172, 1209187), (301, 690964), (602, 345482), (1204, 172741)]