256339258

素因数分解:

$2^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{211}}^1\times {\mathrm{811}}^1$

素因数の和:1138

約数の個数: 32

約数和(自身を含む): 446197248

約数和(自身を除く): 189857990

約数列:

[1, 2, 7, 14, 107, 211, 214, 422, 749, 811, 1477, 1498, 1622, 2954, 5677, 11354, 22577, 45154, 86777, 158039, 171121, 173554, 316078, 342242, 607439, 1197847, 1214878, 2395694, 18309947, 36619894, 128169629, 256339258]

約数ペア:

[(1, 256339258), (2, 128169629), (7, 36619894), (14, 18309947), (107, 2395694), (211, 1214878), (214, 1197847), (422, 607439), (749, 342242), (811, 316078), (1477, 173554), (1498, 171121), (1622, 158039), (2954, 86777), (5677, 45154), (11354, 22577)]