257173690

素因数分解:

$2^1\times 5^1\times {\mathrm{2789}}^1\times {\mathrm{9221}}^1$

素因数の和:12017

約数の個数: 16

約数和(自身を含む): 463128840

約数和(自身を除く): 205955150

約数列:

[1, 2, 5, 10, 2789, 5578, 9221, 13945, 18442, 27890, 46105, 92210, 25717369, 51434738, 128586845, 257173690]

約数ペア:

[(1, 257173690), (2, 128586845), (5, 51434738), (10, 25717369), (2789, 92210), (5578, 46105), (9221, 27890), (13945, 18442)]