256139085

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{919}}^1\times {\mathrm{1093}}^1$

素因数の和:2037

約数の個数: 32

約数和(自身を含む): 434799360

約数和(自身を除く): 178660275

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 919, 1093, 2757, 3279, 4595, 5465, 13785, 15623, 16395, 18581, 46869, 55743, 78115, 92905, 234345, 278715, 1004467, 3013401, 5022335, 15067005, 17075939, 51227817, 85379695, 256139085]

約数ペア:

[(1, 256139085), (3, 85379695), (5, 51227817), (15, 17075939), (17, 15067005), (51, 5022335), (85, 3013401), (255, 1004467), (919, 278715), (1093, 234345), (2757, 92905), (3279, 78115), (4595, 55743), (5465, 46869), (13785, 18581), (15623, 16395)]