128642912

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1381}}^1$

素因数の和:1503

約数の個数: 48

約数和(自身を含む): 263287584

約数和(自身を除く): 134644672

約数列:

[1, 2, 4, 8, 16, 32, 41, 71, 82, 142, 164, 284, 328, 568, 656, 1136, 1312, 1381, 2272, 2762, 2911, 5524, 5822, 11048, 11644, 22096, 23288, 44192, 46576, 56621, 93152, 98051, 113242, 196102, 226484, 392204, 452968, 784408, 905936, 1568816, 1811872, 3137632, 4020091, 8040182, 16080364, 32160728, 64321456, 128642912]

約数ペア:

[(1, 128642912), (2, 64321456), (4, 32160728), (8, 16080364), (16, 8040182), (32, 4020091), (41, 3137632), (71, 1811872), (82, 1568816), (142, 905936), (164, 784408), (284, 452968), (328, 392204), (568, 226484), (656, 196102), (1136, 113242), (1312, 98051), (1381, 93152), (2272, 56621), (2762, 46576), (2911, 44192), (5524, 23288), (5822, 22096), (11048, 11644)]