28523275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 41783040

約数和(自身を除く): 13259765

約数列:

[1, 5, 11, 19, 25, 53, 55, 95, 103, 209, 265, 275, 475, 515, 583, 1007, 1045, 1133, 1325, 1957, 2575, 2915, 5035, 5225, 5459, 5665, 9785, 11077, 14575, 21527, 25175, 27295, 28325, 48925, 55385, 60049, 103721, 107635, 136475, 276925, 300245, 518605, 538175, 1140931, 1501225, 2593025, 5704655, 28523275]

約数ペア:

[(1, 28523275), (5, 5704655), (11, 2593025), (19, 1501225), (25, 1140931), (53, 538175), (55, 518605), (95, 300245), (103, 276925), (209, 136475), (265, 107635), (275, 103721), (475, 60049), (515, 55385), (583, 48925), (1007, 28325), (1045, 27295), (1133, 25175), (1325, 21527), (1957, 14575), (2575, 11077), (2915, 9785), (5035, 5665), (5225, 5459)]