71784784

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{41161}}^1$

素因数の和:41278

約数の個数: 20

約数和(自身を含む): 140362420

約数和(自身を除く): 68577636

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 41161, 82322, 164644, 329288, 658576, 4486549, 8973098, 17946196, 35892392, 71784784]

約数ペア:

[(1, 71784784), (2, 35892392), (4, 17946196), (8, 8973098), (16, 4486549), (109, 658576), (218, 329288), (436, 164644), (872, 82322), (1744, 41161)]