256611138

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{277}}^1$

素因数の和:456

約数の個数: 96

約数和(自身を含む): 629783424

約数和(自身を除く): 373172286

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 49, 69, 98, 137, 138, 147, 161, 274, 277, 294, 322, 411, 483, 554, 822, 831, 959, 966, 1127, 1662, 1918, 1939, 2254, 2877, 3151, 3381, 3878, 5754, 5817, 6302, 6371, 6713, 6762, 9453, 11634, 12742, 13426, 13573, 18906, 19113, 20139, 22057, 27146, 37949, 38226, 40278, 40719, 44114, 44597, 66171, 75898, 81438, 89194, 113847, 132342, 133791, 154399, 227694, 265643, 267582, 308798, 312179, 463197, 531286, 624358, 796929, 872827, 926394, 936537, 1593858, 1745654, 1859501, 1873074, 2618481, 3719002, 5236962, 5578503, 6109789, 11157006, 12219578, 18329367, 36658734, 42768523, 85537046, 128305569, 256611138]

約数ペア:

[(1, 256611138), (2, 128305569), (3, 85537046), (6, 42768523), (7, 36658734), (14, 18329367), (21, 12219578), (23, 11157006), (42, 6109789), (46, 5578503), (49, 5236962), (69, 3719002), (98, 2618481), (137, 1873074), (138, 1859501), (147, 1745654), (161, 1593858), (274, 936537), (277, 926394), (294, 872827), (322, 796929), (411, 624358), (483, 531286), (554, 463197), (822, 312179), (831, 308798), (959, 267582), (966, 265643), (1127, 227694), (1662, 154399), (1918, 133791), (1939, 132342), (2254, 113847), (2877, 89194), (3151, 81438), (3381, 75898), (3878, 66171), (5754, 44597), (5817, 44114), (6302, 40719), (6371, 40278), (6713, 38226), (6762, 37949), (9453, 27146), (11634, 22057), (12742, 20139), (13426, 19113), (13573, 18906)]