28267345

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{761}}^1$

素因数の和:825

約数の個数: 32

約数和(自身を含む): 39502080

約数和(自身を除く): 11234735

約数列:

[1, 5, 17, 19, 23, 85, 95, 115, 323, 391, 437, 761, 1615, 1955, 2185, 3805, 7429, 12937, 14459, 17503, 37145, 64685, 72295, 87515, 245803, 297551, 332557, 1229015, 1487755, 1662785, 5653469, 28267345]

約数ペア:

[(1, 28267345), (5, 5653469), (17, 1662785), (19, 1487755), (23, 1229015), (85, 332557), (95, 297551), (115, 245803), (323, 87515), (391, 72295), (437, 64685), (761, 37145), (1615, 17503), (1955, 14459), (2185, 12937), (3805, 7429)]