138875008

素因数分解:

$2^7\times {\mathrm{127}}^1\times {\mathrm{8543}}^1$

素因数の和:8684

約数の個数: 32

約数和(自身を含む): 278876160

約数和(自身を除く): 140001152

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 508, 1016, 2032, 4064, 8128, 8543, 16256, 17086, 34172, 68344, 136688, 273376, 546752, 1084961, 1093504, 2169922, 4339844, 8679688, 17359376, 34718752, 69437504, 138875008]

約数ペア:

[(1, 138875008), (2, 69437504), (4, 34718752), (8, 17359376), (16, 8679688), (32, 4339844), (64, 2169922), (127, 1093504), (128, 1084961), (254, 546752), (508, 273376), (1016, 136688), (2032, 68344), (4064, 34172), (8128, 17086), (8543, 16256)]