25589512

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1249}}^1$

素因数の和:1465

約数の個数: 32

約数和(自身を含む): 51975000

約数和(自身を除く): 26385488

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 197, 394, 788, 1249, 1576, 2498, 2561, 4996, 5122, 9992, 10244, 16237, 20488, 32474, 64948, 129896, 246053, 492106, 984212, 1968424, 3198689, 6397378, 12794756, 25589512]

約数ペア:

[(1, 25589512), (2, 12794756), (4, 6397378), (8, 3198689), (13, 1968424), (26, 984212), (52, 492106), (104, 246053), (197, 129896), (394, 64948), (788, 32474), (1249, 20488), (1576, 16237), (2498, 10244), (2561, 9992), (4996, 5122)]