209218306

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{2029}}^1$

素因数の和:2194

約数の個数: 32

約数和(自身を含む): 353707200

約数和(自身を除く): 144488894

約数列:

[1, 2, 11, 22, 43, 86, 109, 218, 473, 946, 1199, 2029, 2398, 4058, 4687, 9374, 22319, 44638, 51557, 87247, 103114, 174494, 221161, 442322, 959717, 1919434, 2432771, 4865542, 9509923, 19019846, 104609153, 209218306]

約数ペア:

[(1, 209218306), (2, 104609153), (11, 19019846), (22, 9509923), (43, 4865542), (86, 2432771), (109, 1919434), (218, 959717), (473, 442322), (946, 221161), (1199, 174494), (2029, 103114), (2398, 87247), (4058, 51557), (4687, 44638), (9374, 22319)]