28512740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{4933}}^1$

素因数の和:4976

約数の個数: 36

約数和(自身を含む): 63618996

約数和(自身を除く): 35106256

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 4933, 5780, 9866, 19732, 24665, 49330, 83861, 98660, 167722, 335444, 419305, 838610, 1425637, 1677220, 2851274, 5702548, 7128185, 14256370, 28512740]

約数ペア:

[(1, 28512740), (2, 14256370), (4, 7128185), (5, 5702548), (10, 2851274), (17, 1677220), (20, 1425637), (34, 838610), (68, 419305), (85, 335444), (170, 167722), (289, 98660), (340, 83861), (578, 49330), (1156, 24665), (1445, 19732), (2890, 9866), (4933, 5780)]