208906208

素因数分解:

$2^5\times 7^4\times {\mathrm{2719}}^1$

素因数の和:2757

約数の個数: 60

約数和(自身を含む): 479979360

約数和(自身を除く): 271073152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 343, 392, 686, 784, 1372, 1568, 2401, 2719, 2744, 4802, 5438, 5488, 9604, 10876, 10976, 19033, 19208, 21752, 38066, 38416, 43504, 76132, 76832, 87008, 133231, 152264, 266462, 304528, 532924, 609056, 932617, 1065848, 1865234, 2131696, 3730468, 4263392, 6528319, 7460936, 13056638, 14921872, 26113276, 29843744, 52226552, 104453104, 208906208]

約数ペア:

[(1, 208906208), (2, 104453104), (4, 52226552), (7, 29843744), (8, 26113276), (14, 14921872), (16, 13056638), (28, 7460936), (32, 6528319), (49, 4263392), (56, 3730468), (98, 2131696), (112, 1865234), (196, 1065848), (224, 932617), (343, 609056), (392, 532924), (686, 304528), (784, 266462), (1372, 152264), (1568, 133231), (2401, 87008), (2719, 76832), (2744, 76132), (4802, 43504), (5438, 38416), (5488, 38066), (9604, 21752), (10876, 19208), (10976, 19033)]