66117905

素因数分解:

$5^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{1279}}^1$

素因数の和:1509

約数の個数: 24

約数和(自身を含む): 92805120

約数和(自身を除く): 26687215

約数列:

[1, 5, 7, 35, 49, 211, 245, 1055, 1279, 1477, 6395, 7385, 8953, 10339, 44765, 51695, 62671, 269869, 313355, 1349345, 1889083, 9445415, 13223581, 66117905]

約数ペア:

[(1, 66117905), (5, 13223581), (7, 9445415), (35, 1889083), (49, 1349345), (211, 313355), (245, 269869), (1055, 62671), (1279, 51695), (1477, 44765), (6395, 10339), (7385, 8953)]