2111128

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1$

素因数の和:104

約数の個数: 48

約数和(自身を含む): 4526280

約数和(自身を除く): 2415152

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 43, 68, 76, 86, 136, 152, 172, 323, 344, 361, 646, 722, 731, 817, 1292, 1444, 1462, 1634, 2584, 2888, 2924, 3268, 5848, 6137, 6536, 12274, 13889, 15523, 24548, 27778, 31046, 49096, 55556, 62092, 111112, 124184, 263891, 527782, 1055564, 2111128]

約数ペア:

[(1, 2111128), (2, 1055564), (4, 527782), (8, 263891), (17, 124184), (19, 111112), (34, 62092), (38, 55556), (43, 49096), (68, 31046), (76, 27778), (86, 24548), (136, 15523), (152, 13889), (172, 12274), (323, 6536), (344, 6137), (361, 5848), (646, 3268), (722, 2924), (731, 2888), (817, 2584), (1292, 1634), (1444, 1462)]