256554816

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{190889}}^1$

素因数の和:190911

約数の個数: 56

約数和(自身を含む): 775776960

約数和(自身を除く): 519222144

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 168, 192, 224, 336, 448, 672, 1344, 190889, 381778, 572667, 763556, 1145334, 1336223, 1527112, 2290668, 2672446, 3054224, 4008669, 4581336, 5344892, 6108448, 8017338, 9162672, 10689784, 12216896, 16034676, 18325344, 21379568, 32069352, 36650688, 42759136, 64138704, 85518272, 128277408, 256554816]

約数ペア:

[(1, 256554816), (2, 128277408), (3, 85518272), (4, 64138704), (6, 42759136), (7, 36650688), (8, 32069352), (12, 21379568), (14, 18325344), (16, 16034676), (21, 12216896), (24, 10689784), (28, 9162672), (32, 8017338), (42, 6108448), (48, 5344892), (56, 4581336), (64, 4008669), (84, 3054224), (96, 2672446), (112, 2290668), (168, 1527112), (192, 1336223), (224, 1145334), (336, 763556), (448, 572667), (672, 381778), (1344, 190889)]