28465255

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{857}}^1$

素因数の和:955

約数の個数: 32

約数和(自身を含む): 42666624

約数和(自身を除く): 14201369

約数列:

[1, 5, 7, 13, 35, 65, 73, 91, 365, 455, 511, 857, 949, 2555, 4285, 4745, 5999, 6643, 11141, 29995, 33215, 55705, 62561, 77987, 312805, 389935, 437927, 813293, 2189635, 4066465, 5693051, 28465255]

約数ペア:

[(1, 28465255), (5, 5693051), (7, 4066465), (13, 2189635), (35, 813293), (65, 437927), (73, 389935), (91, 312805), (365, 77987), (455, 62561), (511, 55705), (857, 33215), (949, 29995), (2555, 11141), (4285, 6643), (4745, 5999)]