68375216

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{311}}^1$

素因数の和:490

約数の個数: 80

約数和(自身を含む): 164656128

約数和(自身を除く): 96280912

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 151, 182, 208, 302, 311, 364, 604, 622, 728, 1057, 1208, 1244, 1456, 1963, 2114, 2177, 2416, 2488, 3926, 4043, 4228, 4354, 4976, 7852, 8086, 8456, 8708, 13741, 15704, 16172, 16912, 17416, 27482, 28301, 31408, 32344, 34832, 46961, 54964, 56602, 64688, 93922, 109928, 113204, 187844, 219856, 226408, 328727, 375688, 452816, 610493, 657454, 751376, 1220986, 1314908, 2441972, 2629816, 4273451, 4883944, 5259632, 8546902, 9767888, 17093804, 34187608, 68375216]

約数ペア:

[(1, 68375216), (2, 34187608), (4, 17093804), (7, 9767888), (8, 8546902), (13, 5259632), (14, 4883944), (16, 4273451), (26, 2629816), (28, 2441972), (52, 1314908), (56, 1220986), (91, 751376), (104, 657454), (112, 610493), (151, 452816), (182, 375688), (208, 328727), (302, 226408), (311, 219856), (364, 187844), (604, 113204), (622, 109928), (728, 93922), (1057, 64688), (1208, 56602), (1244, 54964), (1456, 46961), (1963, 34832), (2114, 32344), (2177, 31408), (2416, 28301), (2488, 27482), (3926, 17416), (4043, 16912), (4228, 16172), (4354, 15704), (4976, 13741), (7852, 8708), (8086, 8456)]