81365886

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{563}}^1$

素因数の和:646

約数の個数: 96

約数和(自身を含む): 213977088

約数和(自身を除く): 132611202

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 37, 42, 62, 63, 74, 93, 111, 126, 186, 217, 222, 259, 279, 333, 434, 518, 558, 563, 651, 666, 777, 1126, 1147, 1302, 1554, 1689, 1953, 2294, 2331, 3378, 3441, 3906, 3941, 4662, 5067, 6882, 7882, 8029, 10134, 10323, 11823, 16058, 17453, 20646, 20831, 23646, 24087, 34906, 35469, 41662, 48174, 52359, 62493, 70938, 72261, 104718, 122171, 124986, 144522, 145817, 157077, 187479, 244342, 291634, 314154, 366513, 374958, 437451, 645761, 733026, 874902, 1099539, 1291522, 1312353, 1937283, 2199078, 2624706, 3874566, 4520327, 5811849, 9040654, 11623698, 13560981, 27121962, 40682943, 81365886]

約数ペア:

[(1, 81365886), (2, 40682943), (3, 27121962), (6, 13560981), (7, 11623698), (9, 9040654), (14, 5811849), (18, 4520327), (21, 3874566), (31, 2624706), (37, 2199078), (42, 1937283), (62, 1312353), (63, 1291522), (74, 1099539), (93, 874902), (111, 733026), (126, 645761), (186, 437451), (217, 374958), (222, 366513), (259, 314154), (279, 291634), (333, 244342), (434, 187479), (518, 157077), (558, 145817), (563, 144522), (651, 124986), (666, 122171), (777, 104718), (1126, 72261), (1147, 70938), (1302, 62493), (1554, 52359), (1689, 48174), (1953, 41662), (2294, 35469), (2331, 34906), (3378, 24087), (3441, 23646), (3906, 20831), (3941, 20646), (4662, 17453), (5067, 16058), (6882, 11823), (7882, 10323), (8029, 10134)]