11971225

素因数分解:

$5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1021}}^1$

素因数の和:1105

約数の個数: 24

約数和(自身を含む): 17235008

約数和(自身を除く): 5263783

約数列:

[1, 5, 7, 25, 35, 67, 175, 335, 469, 1021, 1675, 2345, 5105, 7147, 11725, 25525, 35735, 68407, 178675, 342035, 478849, 1710175, 2394245, 11971225]

約数ペア:

[(1, 11971225), (5, 2394245), (7, 1710175), (25, 478849), (35, 342035), (67, 178675), (175, 68407), (335, 35735), (469, 25525), (1021, 11725), (1675, 7147), (2345, 5105)]