15721046874

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{1861}}^1\times {\mathrm{2777}}^1$

素因数の和:4672

約数の個数: 72

約数和(自身を含む): 36917103132

約数和(自身を除く): 21196056258

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 169, 234, 338, 507, 1014, 1521, 1861, 2777, 3042, 3722, 5554, 5583, 8331, 11166, 16662, 16749, 24193, 24993, 33498, 36101, 48386, 49986, 72202, 72579, 108303, 145158, 216606, 217737, 314509, 324909, 435474, 469313, 629018, 649818, 938626, 943527, 1407939, 1887054, 2815878, 2830581, 4223817, 5167997, 5661162, 8447634, 10335994, 15503991, 31007982, 46511973, 67183961, 93023946, 134367922, 201551883, 403103766, 604655649, 873391493, 1209311298, 1746782986, 2620174479, 5240348958, 7860523437, 15721046874]

約数ペア:

[(1, 15721046874), (2, 7860523437), (3, 5240348958), (6, 2620174479), (9, 1746782986), (13, 1209311298), (18, 873391493), (26, 604655649), (39, 403103766), (78, 201551883), (117, 134367922), (169, 93023946), (234, 67183961), (338, 46511973), (507, 31007982), (1014, 15503991), (1521, 10335994), (1861, 8447634), (2777, 5661162), (3042, 5167997), (3722, 4223817), (5554, 2830581), (5583, 2815878), (8331, 1887054), (11166, 1407939), (16662, 943527), (16749, 938626), (24193, 649818), (24993, 629018), (33498, 469313), (36101, 435474), (48386, 324909), (49986, 314509), (72202, 217737), (72579, 216606), (108303, 145158)]