120878849

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 154151424

約数和(自身を除く): 33272575

約数列:

[1, 7, 13, 53, 71, 91, 353, 371, 497, 689, 923, 2471, 3763, 4589, 4823, 6461, 18709, 25063, 26341, 32123, 48919, 130963, 175441, 243217, 325819, 342433, 1328339, 1702519, 2280733, 9298373, 17268407, 120878849]

約数ペア:

[(1, 120878849), (7, 17268407), (13, 9298373), (53, 2280733), (71, 1702519), (91, 1328339), (353, 342433), (371, 325819), (497, 243217), (689, 175441), (923, 130963), (2471, 48919), (3763, 32123), (4589, 26341), (4823, 25063), (6461, 18709)]