1285472931808

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{281}}^1\times {\mathrm{11443}}^1$

素因数の和:11809

約数の個数: 144

約数和(自身を含む): 2826472673808

約数和(自身を除く): 1540999742000

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 281, 403, 416, 496, 562, 806, 961, 992, 1124, 1612, 1922, 2248, 3224, 3653, 3844, 4496, 6448, 7306, 7688, 8711, 8992, 11443, 12493, 12896, 14612, 15376, 17422, 22886, 24986, 29224, 30752, 34844, 45772, 49972, 58448, 69688, 91544, 99944, 113243, 116896, 139376, 148759, 183088, 199888, 226486, 270041, 278752, 297518, 354733, 366176, 399776, 452972, 540082, 595036, 709466, 905944, 1080164, 1190072, 1418932, 1811888, 2160328, 2380144, 2837864, 3215483, 3510533, 3623776, 4320656, 4611529, 4760288, 5675728, 6430966, 7021066, 8641312, 9223058, 10996723, 11351456, 12861932, 14042132, 18446116, 21993446, 25723864, 28084264, 36892232, 41801279, 43986892, 51447728, 56168528, 73784464, 83602558, 87973784, 99679973, 102895456, 112337056, 142957399, 147568928, 167205116, 175947568, 199359946, 285914798, 334410232, 351895136, 398719892, 571829596, 668820464, 797439784, 1143659192, 1295839649, 1337640928, 1594879568, 2287318384, 2591679298, 3090079163, 3189759136, 4574636768, 5183358596, 6180158326, 10366717192, 12360316652, 20733434384, 24720633304, 40171029119, 41466868768, 49441266608, 80342058238, 98882533216, 160684116476, 321368232952, 642736465904, 1285472931808]

約数ペア:

[(1, 1285472931808), (2, 642736465904), (4, 321368232952), (8, 160684116476), (13, 98882533216), (16, 80342058238), (26, 49441266608), (31, 41466868768), (32, 40171029119), (52, 24720633304), (62, 20733434384), (104, 12360316652), (124, 10366717192), (208, 6180158326), (248, 5183358596), (281, 4574636768), (403, 3189759136), (416, 3090079163), (496, 2591679298), (562, 2287318384), (806, 1594879568), (961, 1337640928), (992, 1295839649), (1124, 1143659192), (1612, 797439784), (1922, 668820464), (2248, 571829596), (3224, 398719892), (3653, 351895136), (3844, 334410232), (4496, 285914798), (6448, 199359946), (7306, 175947568), (7688, 167205116), (8711, 147568928), (8992, 142957399), (11443, 112337056), (12493, 102895456), (12896, 99679973), (14612, 87973784), (15376, 83602558), (17422, 73784464), (22886, 56168528), (24986, 51447728), (29224, 43986892), (30752, 41801279), (34844, 36892232), (45772, 28084264), (49972, 25723864), (58448, 21993446), (69688, 18446116), (91544, 14042132), (99944, 12861932), (113243, 11351456), (116896, 10996723), (139376, 9223058), (148759, 8641312), (183088, 7021066), (199888, 6430966), (226486, 5675728), (270041, 4760288), (278752, 4611529), (297518, 4320656), (354733, 3623776), (366176, 3510533), (399776, 3215483), (452972, 2837864), (540082, 2380144), (595036, 2160328), (709466, 1811888), (905944, 1418932), (1080164, 1190072)]