263294512

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{6361}}^1$

素因数の和:6581

約数の個数: 40

約数和(自身を含む): 552221600

約数和(自身を除く): 288927088

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 199, 208, 398, 796, 1592, 2587, 3184, 5174, 6361, 10348, 12722, 20696, 25444, 41392, 50888, 82693, 101776, 165386, 330772, 661544, 1265839, 1323088, 2531678, 5063356, 10126712, 16455907, 20253424, 32911814, 65823628, 131647256, 263294512]

約数ペア:

[(1, 263294512), (2, 131647256), (4, 65823628), (8, 32911814), (13, 20253424), (16, 16455907), (26, 10126712), (52, 5063356), (104, 2531678), (199, 1323088), (208, 1265839), (398, 661544), (796, 330772), (1592, 165386), (2587, 101776), (3184, 82693), (5174, 50888), (6361, 41392), (10348, 25444), (12722, 20696)]