255280396

素因数分解:

$2^2\times 7^2\times {\mathrm{571}}^1\times {\mathrm{2281}}^1$

素因数の和:2870

約数の個数: 36

約数和(自身を含む): 520816296

約数和(自身を除く): 265535900

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 571, 1142, 2281, 2284, 3997, 4562, 7994, 9124, 15967, 15988, 27979, 31934, 55958, 63868, 111769, 111916, 223538, 447076, 1302451, 2604902, 5209804, 9117157, 18234314, 36468628, 63820099, 127640198, 255280396]

約数ペア:

[(1, 255280396), (2, 127640198), (4, 63820099), (7, 36468628), (14, 18234314), (28, 9117157), (49, 5209804), (98, 2604902), (196, 1302451), (571, 447076), (1142, 223538), (2281, 111916), (2284, 111769), (3997, 63868), (4562, 55958), (7994, 31934), (9124, 27979), (15967, 15988)]