257130992

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{1831}}^1$

素因数の和:2037

約数の個数: 40

約数和(自身を含む): 509764992

約数和(自身を除く): 252634000

約数列:

[1, 2, 4, 8, 16, 67, 131, 134, 262, 268, 524, 536, 1048, 1072, 1831, 2096, 3662, 7324, 8777, 14648, 17554, 29296, 35108, 70216, 122677, 140432, 239861, 245354, 479722, 490708, 959444, 981416, 1918888, 1962832, 3837776, 16070687, 32141374, 64282748, 128565496, 257130992]

約数ペア:

[(1, 257130992), (2, 128565496), (4, 64282748), (8, 32141374), (16, 16070687), (67, 3837776), (131, 1962832), (134, 1918888), (262, 981416), (268, 959444), (524, 490708), (536, 479722), (1048, 245354), (1072, 239861), (1831, 140432), (2096, 122677), (3662, 70216), (7324, 35108), (8777, 29296), (14648, 17554)]