257561344

素因数分解:

$2^8\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{463}}^1$

素因数の和:573

約数の個数: 72

約数和(自身を含む): 537751872

約数和(自身を除く): 280190528

約数列:

[1, 2, 4, 8, 16, 32, 41, 53, 64, 82, 106, 128, 164, 212, 256, 328, 424, 463, 656, 848, 926, 1312, 1696, 1852, 2173, 2624, 3392, 3704, 4346, 5248, 6784, 7408, 8692, 10496, 13568, 14816, 17384, 18983, 24539, 29632, 34768, 37966, 49078, 59264, 69536, 75932, 98156, 118528, 139072, 151864, 196312, 278144, 303728, 392624, 556288, 607456, 785248, 1006099, 1214912, 1570496, 2012198, 2429824, 3140992, 4024396, 4859648, 6281984, 8048792, 16097584, 32195168, 64390336, 128780672, 257561344]

約数ペア:

[(1, 257561344), (2, 128780672), (4, 64390336), (8, 32195168), (16, 16097584), (32, 8048792), (41, 6281984), (53, 4859648), (64, 4024396), (82, 3140992), (106, 2429824), (128, 2012198), (164, 1570496), (212, 1214912), (256, 1006099), (328, 785248), (424, 607456), (463, 556288), (656, 392624), (848, 303728), (926, 278144), (1312, 196312), (1696, 151864), (1852, 139072), (2173, 118528), (2624, 98156), (3392, 75932), (3704, 69536), (4346, 59264), (5248, 49078), (6784, 37966), (7408, 34768), (8692, 29632), (10496, 24539), (13568, 18983), (14816, 17384)]