81169712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:310

約数の個数: 80

約数和(自身を含む): 178113600

約数和(自身を除く): 96943888

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 53, 74, 104, 106, 148, 199, 208, 212, 296, 398, 424, 481, 592, 689, 796, 848, 962, 1378, 1592, 1924, 1961, 2587, 2756, 3184, 3848, 3922, 5174, 5512, 7363, 7696, 7844, 10348, 10547, 11024, 14726, 15688, 20696, 21094, 25493, 29452, 31376, 41392, 42188, 50986, 58904, 84376, 95719, 101972, 117808, 137111, 168752, 191438, 203944, 274222, 382876, 390239, 407888, 548444, 765752, 780478, 1096888, 1531504, 1560956, 2193776, 3121912, 5073107, 6243824, 10146214, 20292428, 40584856, 81169712]

約数ペア:

[(1, 81169712), (2, 40584856), (4, 20292428), (8, 10146214), (13, 6243824), (16, 5073107), (26, 3121912), (37, 2193776), (52, 1560956), (53, 1531504), (74, 1096888), (104, 780478), (106, 765752), (148, 548444), (199, 407888), (208, 390239), (212, 382876), (296, 274222), (398, 203944), (424, 191438), (481, 168752), (592, 137111), (689, 117808), (796, 101972), (848, 95719), (962, 84376), (1378, 58904), (1592, 50986), (1924, 42188), (1961, 41392), (2587, 31376), (2756, 29452), (3184, 25493), (3848, 21094), (3922, 20696), (5174, 15688), (5512, 14726), (7363, 11024), (7696, 10547), (7844, 10348)]