138408256

素因数分解:

$2^6\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1361}}^1$

素因数の和:1607

約数の個数: 56

約数和(自身を含む): 315504576

約数和(自身を除く): 177096320

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 227, 448, 454, 908, 1361, 1589, 1816, 2722, 3178, 3632, 5444, 6356, 7264, 9527, 10888, 12712, 14528, 19054, 21776, 25424, 38108, 43552, 50848, 76216, 87104, 101696, 152432, 304864, 308947, 609728, 617894, 1235788, 2162629, 2471576, 4325258, 4943152, 8650516, 9886304, 17301032, 19772608, 34602064, 69204128, 138408256]

約数ペア:

[(1, 138408256), (2, 69204128), (4, 34602064), (7, 19772608), (8, 17301032), (14, 9886304), (16, 8650516), (28, 4943152), (32, 4325258), (56, 2471576), (64, 2162629), (112, 1235788), (224, 617894), (227, 609728), (448, 308947), (454, 304864), (908, 152432), (1361, 101696), (1589, 87104), (1816, 76216), (2722, 50848), (3178, 43552), (3632, 38108), (5444, 25424), (6356, 21776), (7264, 19054), (9527, 14528), (10888, 12712)]