215205122015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{6337}}^1\times {\mathrm{12743}}^1$

素因数の和:19139

約数の個数: 32

約数和(自身を含む): 284961753216

約数和(自身を除く): 69756631201

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 6337, 12743, 31685, 63715, 82381, 165659, 259817, 411905, 522463, 828295, 1299085, 2612315, 3377621, 6792019, 16888105, 33960095, 80752391, 403761955, 1049781083, 3310848031, 5248905415, 16554240155, 43041024403, 215205122015]

約数ペア:

[(1, 215205122015), (5, 43041024403), (13, 16554240155), (41, 5248905415), (65, 3310848031), (205, 1049781083), (533, 403761955), (2665, 80752391), (6337, 33960095), (12743, 16888105), (31685, 6792019), (63715, 3377621), (82381, 2612315), (165659, 1299085), (259817, 828295), (411905, 522463)]