208029978

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{739}}^1$

素因数の和:1164

約数の個数: 64

約数和(自身を含む): 499766400

約数和(自身を除く): 291736422

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 401, 702, 739, 802, 1203, 1478, 2217, 2406, 3609, 4434, 5213, 6651, 7218, 9607, 10426, 10827, 13302, 15639, 19214, 19953, 21654, 28821, 31278, 39906, 46917, 57642, 86463, 93834, 140751, 172926, 259389, 281502, 296339, 518778, 592678, 889017, 1778034, 2667051, 3852407, 5334102, 7704814, 8001153, 11557221, 16002306, 23114442, 34671663, 69343326, 104014989, 208029978]

約数ペア:

[(1, 208029978), (2, 104014989), (3, 69343326), (6, 34671663), (9, 23114442), (13, 16002306), (18, 11557221), (26, 8001153), (27, 7704814), (39, 5334102), (54, 3852407), (78, 2667051), (117, 1778034), (234, 889017), (351, 592678), (401, 518778), (702, 296339), (739, 281502), (802, 259389), (1203, 172926), (1478, 140751), (2217, 93834), (2406, 86463), (3609, 57642), (4434, 46917), (5213, 39906), (6651, 31278), (7218, 28821), (9607, 21654), (10426, 19953), (10827, 19214), (13302, 15639)]