28537220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83933}}^1$

素因数の和:83959

約数の個数: 24

約数和(自身を含む): 63454104

約数和(自身を除く): 34916884

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 83933, 167866, 335732, 419665, 839330, 1426861, 1678660, 2853722, 5707444, 7134305, 14268610, 28537220]

約数ペア:

[(1, 28537220), (2, 14268610), (4, 7134305), (5, 5707444), (10, 2853722), (17, 1678660), (20, 1426861), (34, 839330), (68, 419665), (85, 335732), (170, 167866), (340, 83933)]