138973778

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1\times {\mathrm{2677}}^1$

素因数の和:3037

約数の個数: 16

約数和(自身を含む): 211422744

約数和(自身を除く): 72448966

約数列:

[1, 2, 101, 202, 257, 514, 2677, 5354, 25957, 51914, 270377, 540754, 687989, 1375978, 69486889, 138973778]

約数ペア:

[(1, 138973778), (2, 69486889), (101, 1375978), (202, 687989), (257, 540754), (514, 270377), (2677, 51914), (5354, 25957)]