207813978

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{2213}}^1$

素因数の和:2308

約数の個数: 64

約数和(自身を含む): 484600320

約数和(自身を除く): 276786342

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 47, 54, 74, 94, 111, 141, 222, 282, 333, 423, 666, 846, 999, 1269, 1739, 1998, 2213, 2538, 3478, 4426, 5217, 6639, 10434, 13278, 15651, 19917, 31302, 39834, 46953, 59751, 81881, 93906, 104011, 119502, 163762, 208022, 245643, 312033, 491286, 624066, 736929, 936099, 1473858, 1872198, 2210787, 2808297, 3848407, 4421574, 5616594, 7696814, 11545221, 23090442, 34635663, 69271326, 103906989, 207813978]

約数ペア:

[(1, 207813978), (2, 103906989), (3, 69271326), (6, 34635663), (9, 23090442), (18, 11545221), (27, 7696814), (37, 5616594), (47, 4421574), (54, 3848407), (74, 2808297), (94, 2210787), (111, 1872198), (141, 1473858), (222, 936099), (282, 736929), (333, 624066), (423, 491286), (666, 312033), (846, 245643), (999, 208022), (1269, 163762), (1739, 119502), (1998, 104011), (2213, 93906), (2538, 81881), (3478, 59751), (4426, 46953), (5217, 39834), (6639, 31302), (10434, 19917), (13278, 15651)]