278245825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{5987}}^1$

素因数の和:6034

約数の個数: 36

約数和(自身を含む): 407639088

約数和(自身を除く): 129393263

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 169, 275, 325, 715, 845, 1859, 3575, 4225, 5987, 9295, 29935, 46475, 65857, 77831, 149675, 329285, 389155, 856141, 1011803, 1646425, 1945775, 4280705, 5059015, 11129833, 21403525, 25295075, 55649165, 278245825]

約数ペア:

[(1, 278245825), (5, 55649165), (11, 25295075), (13, 21403525), (25, 11129833), (55, 5059015), (65, 4280705), (143, 1945775), (169, 1646425), (275, 1011803), (325, 856141), (715, 389155), (845, 329285), (1859, 149675), (3575, 77831), (4225, 65857), (5987, 46475), (9295, 29935)]