28903825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1447}}^1$

素因数の和:1521

約数の個数: 24

約数和(自身を含む): 38783232

約数和(自身を除く): 9879407

約数列:

[1, 5, 17, 25, 47, 85, 235, 425, 799, 1175, 1447, 3995, 7235, 19975, 24599, 36175, 68009, 122995, 340045, 614975, 1156153, 1700225, 5780765, 28903825]

約数ペア:

[(1, 28903825), (5, 5780765), (17, 1700225), (25, 1156153), (47, 614975), (85, 340045), (235, 122995), (425, 68009), (799, 36175), (1175, 24599), (1447, 19975), (3995, 7235)]