138387328

素因数分解:

$2^7\times {\mathrm{127}}^1\times {\mathrm{8513}}^1$

素因数の和:8654

約数の個数: 32

約数和(自身を含む): 277896960

約数和(自身を除く): 139509632

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 508, 1016, 2032, 4064, 8128, 8513, 16256, 17026, 34052, 68104, 136208, 272416, 544832, 1081151, 1089664, 2162302, 4324604, 8649208, 17298416, 34596832, 69193664, 138387328]

約数ペア:

[(1, 138387328), (2, 69193664), (4, 34596832), (8, 17298416), (16, 8649208), (32, 4324604), (64, 2162302), (127, 1089664), (128, 1081151), (254, 544832), (508, 272416), (1016, 136208), (2032, 68104), (4064, 34052), (8128, 17026), (8513, 16256)]