279251665

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{233}}^1\times {\mathrm{283}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 424255104

約数和(自身を除く): 145003439

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 233, 283, 385, 605, 847, 1165, 1415, 1631, 1981, 2563, 3113, 4235, 8155, 9905, 12815, 15565, 17941, 21791, 28193, 34243, 65939, 89705, 108955, 140965, 171215, 197351, 239701, 329695, 461573, 725329, 986755, 1198505, 2307865, 3626645, 5077303, 7978619, 25386515, 39893095, 55850333, 279251665]

約数ペア:

[(1, 279251665), (5, 55850333), (7, 39893095), (11, 25386515), (35, 7978619), (55, 5077303), (77, 3626645), (121, 2307865), (233, 1198505), (283, 986755), (385, 725329), (605, 461573), (847, 329695), (1165, 239701), (1415, 197351), (1631, 171215), (1981, 140965), (2563, 108955), (3113, 89705), (4235, 65939), (8155, 34243), (9905, 28193), (12815, 21791), (15565, 17941)]