209973902

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{7559}}^1$

素因数の和:7640

約数の個数: 32

約数和(自身を含む): 359251200

約数和(自身を除く): 149277298

約数列:

[1, 2, 17, 19, 34, 38, 43, 86, 323, 646, 731, 817, 1462, 1634, 7559, 13889, 15118, 27778, 128503, 143621, 257006, 287242, 325037, 650074, 2441557, 4883114, 5525629, 6175703, 11051258, 12351406, 104986951, 209973902]

約数ペア:

[(1, 209973902), (2, 104986951), (17, 12351406), (19, 11051258), (34, 6175703), (38, 5525629), (43, 4883114), (86, 2441557), (323, 650074), (646, 325037), (731, 287242), (817, 257006), (1462, 143621), (1634, 128503), (7559, 27778), (13889, 15118)]