28452815

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 37920960

約数和(自身を除く): 9468145

約数列:

[1, 5, 17, 37, 83, 85, 109, 185, 415, 545, 629, 1411, 1853, 3071, 3145, 4033, 7055, 9047, 9265, 15355, 20165, 45235, 52207, 68561, 153799, 261035, 334739, 342805, 768995, 1673695, 5690563, 28452815]

約数ペア:

[(1, 28452815), (5, 5690563), (17, 1673695), (37, 768995), (83, 342805), (85, 334739), (109, 261035), (185, 153799), (415, 68561), (545, 52207), (629, 45235), (1411, 20165), (1853, 15355), (3071, 9265), (3145, 9047), (4033, 7055)]