208721916

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23473}}^1$

素因数の和:23515

約数の個数: 72

約数和(自身を含む): 598117520

約数和(自身を除く): 389395604

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2964, 4446, 8892, 23473, 46946, 70419, 93892, 140838, 211257, 281676, 305149, 422514, 445987, 610298, 845028, 891974, 915447, 1220596, 1337961, 1783948, 1830894, 2675922, 2746341, 3661788, 4013883, 5351844, 5492682, 5797831, 8027766, 10985364, 11595662, 16055532, 17393493, 23191324, 34786986, 52180479, 69573972, 104360958, 208721916]

約数ペア:

[(1, 208721916), (2, 104360958), (3, 69573972), (4, 52180479), (6, 34786986), (9, 23191324), (12, 17393493), (13, 16055532), (18, 11595662), (19, 10985364), (26, 8027766), (36, 5797831), (38, 5492682), (39, 5351844), (52, 4013883), (57, 3661788), (76, 2746341), (78, 2675922), (114, 1830894), (117, 1783948), (156, 1337961), (171, 1220596), (228, 915447), (234, 891974), (247, 845028), (342, 610298), (468, 445987), (494, 422514), (684, 305149), (741, 281676), (988, 211257), (1482, 140838), (2223, 93892), (2964, 70419), (4446, 46946), (8892, 23473)]