212300075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{2087}}^1$

素因数の和:2423

約数の個数: 24

約数和(自身を含む): 284544288

約数和(自身を除く): 72244213

約数列:

[1, 5, 13, 25, 65, 313, 325, 1565, 2087, 4069, 7825, 10435, 20345, 27131, 52175, 101725, 135655, 653231, 678275, 3266155, 8492003, 16330775, 42460015, 212300075]

約数ペア:

[(1, 212300075), (5, 42460015), (13, 16330775), (25, 8492003), (65, 3266155), (313, 678275), (325, 653231), (1565, 135655), (2087, 101725), (4069, 52175), (7825, 27131), (10435, 20345)]