211064815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{311}}^1$

素因数の和:579

約数の個数: 32

約数和(自身を含む): 280215936

約数和(自身を除く): 69151121

約数列:

[1, 5, 13, 53, 65, 197, 265, 311, 689, 985, 1555, 2561, 3445, 4043, 10441, 12805, 16483, 20215, 52205, 61267, 82415, 135733, 214279, 306335, 678665, 796471, 1071395, 3247151, 3982355, 16235755, 42212963, 211064815]

約数ペア:

[(1, 211064815), (5, 42212963), (13, 16235755), (53, 3982355), (65, 3247151), (197, 1071395), (265, 796471), (311, 678665), (689, 306335), (985, 214279), (1555, 135733), (2561, 82415), (3445, 61267), (4043, 52205), (10441, 20215), (12805, 16483)]