1281681856

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{229}}^1$

素因数の和:323

約数の個数: 168

約数和(自身を含む): 3248619360

約数和(自身を除く): 1966937504

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 64, 91, 104, 112, 124, 182, 208, 217, 224, 229, 248, 364, 403, 416, 434, 448, 458, 496, 728, 806, 832, 868, 916, 961, 992, 1456, 1603, 1612, 1736, 1832, 1922, 1984, 2821, 2912, 2977, 3206, 3224, 3472, 3664, 3844, 5642, 5824, 5954, 6412, 6448, 6727, 6944, 7099, 7328, 7688, 11284, 11908, 12493, 12824, 12896, 13454, 13888, 14198, 14656, 15376, 20839, 22568, 23816, 24986, 25648, 25792, 26908, 28396, 30752, 41678, 45136, 47632, 49693, 49972, 51296, 53816, 56792, 61504, 83356, 87451, 90272, 92287, 95264, 99386, 99944, 102592, 107632, 113584, 166712, 174902, 180544, 184574, 190528, 198772, 199888, 215264, 220069, 227168, 333424, 349804, 369148, 397544, 399776, 430528, 440138, 454336, 646009, 666848, 699608, 738296, 795088, 799552, 880276, 1292018, 1333696, 1399216, 1476592, 1540483, 1590176, 1760552, 2584036, 2798432, 2860897, 2953184, 3080966, 3180352, 3521104, 5168072, 5596864, 5721794, 5906368, 6161932, 7042208, 10336144, 11443588, 12323864, 14084416, 20026279, 20672288, 22887176, 24647728, 40052558, 41344576, 45774352, 49295456, 80105116, 91548704, 98590912, 160210232, 183097408, 320420464, 640840928, 1281681856]

約数ペア:

[(1, 1281681856), (2, 640840928), (4, 320420464), (7, 183097408), (8, 160210232), (13, 98590912), (14, 91548704), (16, 80105116), (26, 49295456), (28, 45774352), (31, 41344576), (32, 40052558), (52, 24647728), (56, 22887176), (62, 20672288), (64, 20026279), (91, 14084416), (104, 12323864), (112, 11443588), (124, 10336144), (182, 7042208), (208, 6161932), (217, 5906368), (224, 5721794), (229, 5596864), (248, 5168072), (364, 3521104), (403, 3180352), (416, 3080966), (434, 2953184), (448, 2860897), (458, 2798432), (496, 2584036), (728, 1760552), (806, 1590176), (832, 1540483), (868, 1476592), (916, 1399216), (961, 1333696), (992, 1292018), (1456, 880276), (1603, 799552), (1612, 795088), (1736, 738296), (1832, 699608), (1922, 666848), (1984, 646009), (2821, 454336), (2912, 440138), (2977, 430528), (3206, 399776), (3224, 397544), (3472, 369148), (3664, 349804), (3844, 333424), (5642, 227168), (5824, 220069), (5954, 215264), (6412, 199888), (6448, 198772), (6727, 190528), (6944, 184574), (7099, 180544), (7328, 174902), (7688, 166712), (11284, 113584), (11908, 107632), (12493, 102592), (12824, 99944), (12896, 99386), (13454, 95264), (13888, 92287), (14198, 90272), (14656, 87451), (15376, 83356), (20839, 61504), (22568, 56792), (23816, 53816), (24986, 51296), (25648, 49972), (25792, 49693), (26908, 47632), (28396, 45136), (30752, 41678)]