217417823

素因数分解:

$7^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1\times {\mathrm{509}}^1$

素因数の和:1094

約数の個数: 16

約数和(自身を含む): 251328000

約数和(自身を除く): 33910177

約数列:

[1, 7, 139, 439, 509, 973, 3073, 3563, 61021, 70751, 223451, 427147, 495257, 1564157, 31059689, 217417823]

約数ペア:

[(1, 217417823), (7, 31059689), (139, 1564157), (439, 495257), (509, 427147), (973, 223451), (3073, 70751), (3563, 61021)]