28429780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83617}}^1$

素因数の和:83643

約数の個数: 24

約数和(自身を含む): 63215208

約数和(自身を除く): 34785428

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 83617, 167234, 334468, 418085, 836170, 1421489, 1672340, 2842978, 5685956, 7107445, 14214890, 28429780]

約数ペア:

[(1, 28429780), (2, 14214890), (4, 7107445), (5, 5685956), (10, 2842978), (17, 1672340), (20, 1421489), (34, 836170), (68, 418085), (85, 334468), (170, 167234), (340, 83617)]