219976744

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^3\times {\mathrm{71}}^1$

素因数の和:183

約数の個数: 64

約数和(自身を含む): 465454080

約数和(自身を除く): 245477336

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 71, 104, 124, 142, 248, 284, 403, 568, 806, 923, 961, 1612, 1846, 1922, 2201, 3224, 3692, 3844, 4402, 7384, 7688, 8804, 12493, 17608, 24986, 28613, 29791, 49972, 57226, 59582, 68231, 99944, 114452, 119164, 136462, 228904, 238328, 272924, 387283, 545848, 774566, 887003, 1549132, 1774006, 2115161, 3098264, 3548012, 4230322, 7096024, 8460644, 16921288, 27497093, 54994186, 109988372, 219976744]

約数ペア:

[(1, 219976744), (2, 109988372), (4, 54994186), (8, 27497093), (13, 16921288), (26, 8460644), (31, 7096024), (52, 4230322), (62, 3548012), (71, 3098264), (104, 2115161), (124, 1774006), (142, 1549132), (248, 887003), (284, 774566), (403, 545848), (568, 387283), (806, 272924), (923, 238328), (961, 228904), (1612, 136462), (1846, 119164), (1922, 114452), (2201, 99944), (3224, 68231), (3692, 59582), (3844, 57226), (4402, 49972), (7384, 29791), (7688, 28613), (8804, 24986), (12493, 17608)]