257016088

素因数分解:

$2^3\times 7^1\times {\mathrm{281}}^1\times {\mathrm{16333}}^1$

素因数の和:16627

約数の個数: 32

約数和(自身を含む): 552742560

約数和(自身を除く): 295726472

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 281, 562, 1124, 1967, 2248, 3934, 7868, 15736, 16333, 32666, 65332, 114331, 130664, 228662, 457324, 914648, 4589573, 9179146, 18358292, 32127011, 36716584, 64254022, 128508044, 257016088]

約数ペア:

[(1, 257016088), (2, 128508044), (4, 64254022), (7, 36716584), (8, 32127011), (14, 18358292), (28, 9179146), (56, 4589573), (281, 914648), (562, 457324), (1124, 228662), (1967, 130664), (2248, 114331), (3934, 65332), (7868, 32666), (15736, 16333)]