2278745

素因数分解:

$5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:221

約数の個数: 24

約数和(自身を含む): 3250368

約数和(自身を除く): 971623

約数列:

[1, 5, 7, 35, 49, 71, 131, 245, 355, 497, 655, 917, 2485, 3479, 4585, 6419, 9301, 17395, 32095, 46505, 65107, 325535, 455749, 2278745]

約数ペア:

[(1, 2278745), (5, 455749), (7, 325535), (35, 65107), (49, 46505), (71, 32095), (131, 17395), (245, 9301), (355, 6419), (497, 4585), (655, 3479), (917, 2485)]