857390128

素因数分解:

$2^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{74323}}^1$

素因数の和:74441

約数の個数: 40

約数和(自身を含む): 1916964608

約数和(自身を除く): 1059574480

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 103, 112, 206, 412, 721, 824, 1442, 1648, 2884, 5768, 11536, 74323, 148646, 297292, 520261, 594584, 1040522, 1189168, 2081044, 4162088, 7655269, 8324176, 15310538, 30621076, 53586883, 61242152, 107173766, 122484304, 214347532, 428695064, 857390128]

約数ペア:

[(1, 857390128), (2, 428695064), (4, 214347532), (7, 122484304), (8, 107173766), (14, 61242152), (16, 53586883), (28, 30621076), (56, 15310538), (103, 8324176), (112, 7655269), (206, 4162088), (412, 2081044), (721, 1189168), (824, 1040522), (1442, 594584), (1648, 520261), (2884, 297292), (5768, 148646), (11536, 74323)]