12988408

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2221}}^1$

素因数の和:2287

約数の個数: 32

約数和(自身を含む): 26397360

約数和(自身を除く): 13408952

約数列:

[1, 2, 4, 8, 17, 34, 43, 68, 86, 136, 172, 344, 731, 1462, 2221, 2924, 4442, 5848, 8884, 17768, 37757, 75514, 95503, 151028, 191006, 302056, 382012, 764024, 1623551, 3247102, 6494204, 12988408]

約数ペア:

[(1, 12988408), (2, 6494204), (4, 3247102), (8, 1623551), (17, 764024), (34, 382012), (43, 302056), (68, 191006), (86, 151028), (136, 95503), (172, 75514), (344, 37757), (731, 17768), (1462, 8884), (2221, 5848), (2924, 4442)]