257275512

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{274867}}^1$

素因数の和:274892

約数の個数: 48

約数和(自身を含む): 750389640

約数和(自身を除く): 493114128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 274867, 549734, 824601, 1099468, 1649202, 2198936, 2473803, 3298404, 3573271, 4947606, 6596808, 7146542, 9895212, 10719813, 14293084, 19790424, 21439626, 28586168, 32159439, 42879252, 64318878, 85758504, 128637756, 257275512]

約数ペア:

[(1, 257275512), (2, 128637756), (3, 85758504), (4, 64318878), (6, 42879252), (8, 32159439), (9, 28586168), (12, 21439626), (13, 19790424), (18, 14293084), (24, 10719813), (26, 9895212), (36, 7146542), (39, 6596808), (52, 4947606), (72, 3573271), (78, 3298404), (104, 2473803), (117, 2198936), (156, 1649202), (234, 1099468), (312, 824601), (468, 549734), (936, 274867)]