28665256

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{463}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 55123200

約数和(自身を除く): 26457944

約数列:

[1, 2, 4, 8, 71, 109, 142, 218, 284, 436, 463, 568, 872, 926, 1852, 3704, 7739, 15478, 30956, 32873, 50467, 61912, 65746, 100934, 131492, 201868, 262984, 403736, 3583157, 7166314, 14332628, 28665256]

約数ペア:

[(1, 28665256), (2, 14332628), (4, 7166314), (8, 3583157), (71, 403736), (109, 262984), (142, 201868), (218, 131492), (284, 100934), (436, 65746), (463, 61912), (568, 50467), (872, 32873), (926, 30956), (1852, 15478), (3704, 7739)]