256328576

素因数分解:

$2^7\times 7^1\times {\mathrm{523}}^1\times {\mathrm{547}}^1$

素因数の和:1091

約数の個数: 64

約数和(自身を含む): 585790080

約数和(自身を除く): 329461504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 523, 547, 896, 1046, 1094, 2092, 2188, 3661, 3829, 4184, 4376, 7322, 7658, 8368, 8752, 14644, 15316, 16736, 17504, 29288, 30632, 33472, 35008, 58576, 61264, 66944, 70016, 117152, 122528, 234304, 245056, 286081, 468608, 490112, 572162, 1144324, 2002567, 2288648, 4005134, 4577296, 8010268, 9154592, 16020536, 18309184, 32041072, 36618368, 64082144, 128164288, 256328576]

約数ペア:

[(1, 256328576), (2, 128164288), (4, 64082144), (7, 36618368), (8, 32041072), (14, 18309184), (16, 16020536), (28, 9154592), (32, 8010268), (56, 4577296), (64, 4005134), (112, 2288648), (128, 2002567), (224, 1144324), (448, 572162), (523, 490112), (547, 468608), (896, 286081), (1046, 245056), (1094, 234304), (2092, 122528), (2188, 117152), (3661, 70016), (3829, 66944), (4184, 61264), (4376, 58576), (7322, 35008), (7658, 33472), (8368, 30632), (8752, 29288), (14644, 17504), (15316, 16736)]