257895288

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{7207}}^1$

素因数の和:7297

約数の個数: 96

約数和(自身を含む): 809602560

約数和(自身を除く): 551707272

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 71, 72, 84, 126, 142, 168, 213, 252, 284, 426, 497, 504, 568, 639, 852, 994, 1278, 1491, 1704, 1988, 2556, 2982, 3976, 4473, 5112, 5964, 7207, 8946, 11928, 14414, 17892, 21621, 28828, 35784, 43242, 50449, 57656, 64863, 86484, 100898, 129726, 151347, 172968, 201796, 259452, 302694, 403592, 454041, 511697, 518904, 605388, 908082, 1023394, 1210776, 1535091, 1816164, 2046788, 3070182, 3581879, 3632328, 4093576, 4605273, 6140364, 7163758, 9210546, 10745637, 12280728, 14327516, 18421092, 21491274, 28655032, 32236911, 36842184, 42982548, 64473822, 85965096, 128947644, 257895288]

約数ペア:

[(1, 257895288), (2, 128947644), (3, 85965096), (4, 64473822), (6, 42982548), (7, 36842184), (8, 32236911), (9, 28655032), (12, 21491274), (14, 18421092), (18, 14327516), (21, 12280728), (24, 10745637), (28, 9210546), (36, 7163758), (42, 6140364), (56, 4605273), (63, 4093576), (71, 3632328), (72, 3581879), (84, 3070182), (126, 2046788), (142, 1816164), (168, 1535091), (213, 1210776), (252, 1023394), (284, 908082), (426, 605388), (497, 518904), (504, 511697), (568, 454041), (639, 403592), (852, 302694), (994, 259452), (1278, 201796), (1491, 172968), (1704, 151347), (1988, 129726), (2556, 100898), (2982, 86484), (3976, 64863), (4473, 57656), (5112, 50449), (5964, 43242), (7207, 35784), (8946, 28828), (11928, 21621), (14414, 17892)]