48978275

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{6779}}^1$

素因数の和:6823

約数の個数: 18

約数和(自身を含む): 64525260

約数和(自身を除く): 15546985

約数列:

[1, 5, 17, 25, 85, 289, 425, 1445, 6779, 7225, 33895, 115243, 169475, 576215, 1959131, 2881075, 9795655, 48978275]

約数ペア:

[(1, 48978275), (5, 9795655), (17, 2881075), (25, 1959131), (85, 576215), (289, 169475), (425, 115243), (1445, 33895), (6779, 7225)]