81159428

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{170503}}^1$

素因数の和:170531

約数の個数: 24

約数和(自身を含む): 171868032

約数和(自身を除く): 90708604

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 170503, 341006, 682012, 1193521, 2387042, 2898551, 4774084, 5797102, 11594204, 20289857, 40579714, 81159428]

約数ペア:

[(1, 81159428), (2, 40579714), (4, 20289857), (7, 11594204), (14, 5797102), (17, 4774084), (28, 2898551), (34, 2387042), (68, 1193521), (119, 682012), (238, 341006), (476, 170503)]