290473456

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199501}}^1$

素因数の和:199529

約数の個数: 40

約数和(自身を含む): 692670944

約数和(自身を除く): 402197488

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 199501, 399002, 798004, 1396507, 1596008, 2593513, 2793014, 3192016, 5187026, 5586028, 10374052, 11172056, 18154591, 20748104, 22344112, 36309182, 41496208, 72618364, 145236728, 290473456]

約数ペア:

[(1, 290473456), (2, 145236728), (4, 72618364), (7, 41496208), (8, 36309182), (13, 22344112), (14, 20748104), (16, 18154591), (26, 11172056), (28, 10374052), (52, 5586028), (56, 5187026), (91, 3192016), (104, 2793014), (112, 2593513), (182, 1596008), (208, 1396507), (364, 798004), (728, 399002), (1456, 199501)]