87374495

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{727}}^1$

素因数の和:831

約数の個数: 24

約数和(自身を含む): 115760736

約数和(自身を除く): 28386241

約数列:

[1, 5, 13, 43, 65, 215, 559, 727, 1849, 2795, 3635, 9245, 9451, 24037, 31261, 47255, 120185, 156305, 406393, 1344223, 2031965, 6721115, 17474899, 87374495]

約数ペア:

[(1, 87374495), (5, 17474899), (13, 6721115), (43, 2031965), (65, 1344223), (215, 406393), (559, 156305), (727, 120185), (1849, 47255), (2795, 31261), (3635, 24037), (9245, 9451)]