221752675

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{1667}}^1$

素因数の和:2007

約数の個数: 24

約数和(自身を含む): 292253616

約数和(自身を除く): 70500941

約数列:

[1, 5, 17, 25, 85, 313, 425, 1565, 1667, 5321, 7825, 8335, 26605, 28339, 41675, 133025, 141695, 521771, 708475, 2608855, 8870107, 13044275, 44350535, 221752675]

約数ペア:

[(1, 221752675), (5, 44350535), (17, 13044275), (25, 8870107), (85, 2608855), (313, 708475), (425, 521771), (1565, 141695), (1667, 133025), (5321, 41675), (7825, 28339), (8335, 26605)]