28432415

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{647}}^1$

素因数の和:727

約数の個数: 32

約数和(自身を含む): 40310784

約数和(自身を除く): 11878369

約数列:

[1, 5, 11, 17, 47, 55, 85, 187, 235, 517, 647, 799, 935, 2585, 3235, 3995, 7117, 8789, 10999, 30409, 35585, 43945, 54995, 120989, 152045, 334499, 516953, 604945, 1672495, 2584765, 5686483, 28432415]

約数ペア:

[(1, 28432415), (5, 5686483), (11, 2584765), (17, 1672495), (47, 604945), (55, 516953), (85, 334499), (187, 152045), (235, 120989), (517, 54995), (647, 43945), (799, 35585), (935, 30409), (2585, 10999), (3235, 8789), (3995, 7117)]