28253792

素因数分解:

$2^5\times 7^2\times {\mathrm{37}}^1\times {\mathrm{487}}^1$

素因数の和:548

約数の個数: 72

約数和(自身を含む): 66591504

約数和(自身を除く): 38337712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 49, 56, 74, 98, 112, 148, 196, 224, 259, 296, 392, 487, 518, 592, 784, 974, 1036, 1184, 1568, 1813, 1948, 2072, 3409, 3626, 3896, 4144, 6818, 7252, 7792, 8288, 13636, 14504, 15584, 18019, 23863, 27272, 29008, 36038, 47726, 54544, 58016, 72076, 95452, 109088, 126133, 144152, 190904, 252266, 288304, 381808, 504532, 576608, 763616, 882931, 1009064, 1765862, 2018128, 3531724, 4036256, 7063448, 14126896, 28253792]

約数ペア:

[(1, 28253792), (2, 14126896), (4, 7063448), (7, 4036256), (8, 3531724), (14, 2018128), (16, 1765862), (28, 1009064), (32, 882931), (37, 763616), (49, 576608), (56, 504532), (74, 381808), (98, 288304), (112, 252266), (148, 190904), (196, 144152), (224, 126133), (259, 109088), (296, 95452), (392, 72076), (487, 58016), (518, 54544), (592, 47726), (784, 36038), (974, 29008), (1036, 27272), (1184, 23863), (1568, 18019), (1813, 15584), (1948, 14504), (2072, 13636), (3409, 8288), (3626, 7792), (3896, 7252), (4144, 6818)]