218239504

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{263}}^1$

素因数の和:548

約数の個数: 80

約数和(自身を含む): 502824960

約数和(自身を除く): 284585456

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 239, 248, 263, 434, 478, 496, 526, 868, 956, 1052, 1673, 1736, 1841, 1912, 2104, 3346, 3472, 3682, 3824, 4208, 6692, 7364, 7409, 8153, 13384, 14728, 14818, 16306, 26768, 29456, 29636, 32612, 51863, 57071, 59272, 62857, 65224, 103726, 114142, 118544, 125714, 130448, 207452, 228284, 251428, 414904, 439999, 456568, 502856, 829808, 879998, 913136, 1005712, 1759996, 1948567, 3519992, 3897134, 7039984, 7794268, 13639969, 15588536, 27279938, 31177072, 54559876, 109119752, 218239504]

約数ペア:

[(1, 218239504), (2, 109119752), (4, 54559876), (7, 31177072), (8, 27279938), (14, 15588536), (16, 13639969), (28, 7794268), (31, 7039984), (56, 3897134), (62, 3519992), (112, 1948567), (124, 1759996), (217, 1005712), (239, 913136), (248, 879998), (263, 829808), (434, 502856), (478, 456568), (496, 439999), (526, 414904), (868, 251428), (956, 228284), (1052, 207452), (1673, 130448), (1736, 125714), (1841, 118544), (1912, 114142), (2104, 103726), (3346, 65224), (3472, 62857), (3682, 59272), (3824, 57071), (4208, 51863), (6692, 32612), (7364, 29636), (7409, 29456), (8153, 26768), (13384, 16306), (14728, 14818)]