257394928

素因数分解:

$2^4\times 7^1\times {\mathrm{863}}^1\times {\mathrm{2663}}^1$

素因数の和:3541

約数の個数: 40

約数和(自身を含む): 570820608

約数和(自身を除く): 313425680

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 863, 1726, 2663, 3452, 5326, 6041, 6904, 10652, 12082, 13808, 18641, 21304, 24164, 37282, 42608, 48328, 74564, 96656, 149128, 298256, 2298169, 4596338, 9192676, 16087183, 18385352, 32174366, 36770704, 64348732, 128697464, 257394928]

約数ペア:

[(1, 257394928), (2, 128697464), (4, 64348732), (7, 36770704), (8, 32174366), (14, 18385352), (16, 16087183), (28, 9192676), (56, 4596338), (112, 2298169), (863, 298256), (1726, 149128), (2663, 96656), (3452, 74564), (5326, 48328), (6041, 42608), (6904, 37282), (10652, 24164), (12082, 21304), (13808, 18641)]