1949603975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1\times {\mathrm{337}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 2683206240

約数和(自身を除く): 733602265

約数列:

[1, 5, 11, 25, 55, 109, 193, 275, 337, 545, 965, 1199, 1685, 2123, 2725, 3707, 4825, 5995, 8425, 10615, 18535, 21037, 29975, 36733, 53075, 65041, 92675, 105185, 183665, 231407, 325205, 404063, 525925, 715451, 918325, 1157035, 1626025, 2020315, 3577255, 5785175, 7089469, 10101575, 17886275, 35447345, 77984159, 177236725, 389920795, 1949603975]

約数ペア:

[(1, 1949603975), (5, 389920795), (11, 177236725), (25, 77984159), (55, 35447345), (109, 17886275), (193, 10101575), (275, 7089469), (337, 5785175), (545, 3577255), (965, 2020315), (1199, 1626025), (1685, 1157035), (2123, 918325), (2725, 715451), (3707, 525925), (4825, 404063), (5995, 325205), (8425, 231407), (10615, 183665), (18535, 105185), (21037, 92675), (29975, 65041), (36733, 53075)]