331320385

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:143

約数の個数: 72

約数和(自身を含む): 485244648

約数和(自身を除く): 153924263

約数列:

[1, 5, 11, 19, 37, 41, 55, 95, 121, 185, 205, 209, 361, 407, 451, 605, 703, 779, 1045, 1517, 1805, 2035, 2255, 2299, 3515, 3895, 3971, 4477, 4961, 7585, 7733, 8569, 11495, 13357, 14801, 16687, 19855, 22385, 24805, 28823, 38665, 42845, 43681, 66785, 74005, 83435, 85063, 94259, 144115, 146927, 162811, 183557, 218405, 317053, 425315, 471295, 547637, 734635, 814055, 917785, 1585265, 1616197, 1790921, 2738185, 3487583, 6024007, 8080985, 8954605, 17437915, 30120035, 66264077, 331320385]

約数ペア:

[(1, 331320385), (5, 66264077), (11, 30120035), (19, 17437915), (37, 8954605), (41, 8080985), (55, 6024007), (95, 3487583), (121, 2738185), (185, 1790921), (205, 1616197), (209, 1585265), (361, 917785), (407, 814055), (451, 734635), (605, 547637), (703, 471295), (779, 425315), (1045, 317053), (1517, 218405), (1805, 183557), (2035, 162811), (2255, 146927), (2299, 144115), (3515, 94259), (3895, 85063), (3971, 83435), (4477, 74005), (4961, 66785), (7585, 43681), (7733, 42845), (8569, 38665), (11495, 28823), (13357, 24805), (14801, 22385), (16687, 19855)]