257703536

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{1931}}^1$

素因数の和:2397

約数の個数: 40

約数和(自身を含む): 527049600

約数和(自身を除く): 269346064

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 439, 878, 1756, 1931, 3512, 3862, 7024, 7724, 8341, 15448, 16682, 30896, 33364, 36689, 66728, 73378, 133456, 146756, 293512, 587024, 847709, 1695418, 3390836, 6781672, 13563344, 16106471, 32212942, 64425884, 128851768, 257703536]

約数ペア:

[(1, 257703536), (2, 128851768), (4, 64425884), (8, 32212942), (16, 16106471), (19, 13563344), (38, 6781672), (76, 3390836), (152, 1695418), (304, 847709), (439, 587024), (878, 293512), (1756, 146756), (1931, 133456), (3512, 73378), (3862, 66728), (7024, 36689), (7724, 33364), (8341, 30896), (15448, 16682)]