138401872

素因数分解:

$2^4\times 7^3\times {\mathrm{25219}}^1$

素因数の和:25248

約数の個数: 40

約数和(自身を含む): 312728000

約数和(自身を除く): 174326128

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 343, 392, 686, 784, 1372, 2744, 5488, 25219, 50438, 100876, 176533, 201752, 353066, 403504, 706132, 1235731, 1412264, 2471462, 2824528, 4942924, 8650117, 9885848, 17300234, 19771696, 34600468, 69200936, 138401872]

約数ペア:

[(1, 138401872), (2, 69200936), (4, 34600468), (7, 19771696), (8, 17300234), (14, 9885848), (16, 8650117), (28, 4942924), (49, 2824528), (56, 2471462), (98, 1412264), (112, 1235731), (196, 706132), (343, 403504), (392, 353066), (686, 201752), (784, 176533), (1372, 100876), (2744, 50438), (5488, 25219)]