257006368

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:242

約数の個数: 96

約数和(自身を含む): 548674560

約数和(自身を除く): 291668192

約数列:

[1, 2, 4, 8, 16, 31, 32, 41, 62, 71, 82, 89, 124, 142, 164, 178, 248, 284, 328, 356, 496, 568, 656, 712, 992, 1136, 1271, 1312, 1424, 2201, 2272, 2542, 2759, 2848, 2911, 3649, 4402, 5084, 5518, 5822, 6319, 7298, 8804, 10168, 11036, 11644, 12638, 14596, 17608, 20336, 22072, 23288, 25276, 29192, 35216, 40672, 44144, 46576, 50552, 58384, 70432, 88288, 90241, 93152, 101104, 113119, 116768, 180482, 195889, 202208, 226238, 259079, 360964, 391778, 452476, 518158, 721928, 783556, 904952, 1036316, 1443856, 1567112, 1809904, 2072632, 2887712, 3134224, 3619808, 4145264, 6268448, 8031449, 8290528, 16062898, 32125796, 64251592, 128503184, 257006368]

約数ペア:

[(1, 257006368), (2, 128503184), (4, 64251592), (8, 32125796), (16, 16062898), (31, 8290528), (32, 8031449), (41, 6268448), (62, 4145264), (71, 3619808), (82, 3134224), (89, 2887712), (124, 2072632), (142, 1809904), (164, 1567112), (178, 1443856), (248, 1036316), (284, 904952), (328, 783556), (356, 721928), (496, 518158), (568, 452476), (656, 391778), (712, 360964), (992, 259079), (1136, 226238), (1271, 202208), (1312, 195889), (1424, 180482), (2201, 116768), (2272, 113119), (2542, 101104), (2759, 93152), (2848, 90241), (2911, 88288), (3649, 70432), (4402, 58384), (5084, 50552), (5518, 46576), (5822, 44144), (6319, 40672), (7298, 35216), (8804, 29192), (10168, 25276), (11036, 23288), (11644, 22072), (12638, 20336), (14596, 17608)]