138971672

素因数分解:

$2^3\times 7^1\times {\mathrm{251}}^1\times {\mathrm{9887}}^1$

素因数の和:10151

約数の個数: 32

約数和(自身を含む): 299013120

約数和(自身を除く): 160041448

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 251, 502, 1004, 1757, 2008, 3514, 7028, 9887, 14056, 19774, 39548, 69209, 79096, 138418, 276836, 553672, 2481637, 4963274, 9926548, 17371459, 19853096, 34742918, 69485836, 138971672]

約数ペア:

[(1, 138971672), (2, 69485836), (4, 34742918), (7, 19853096), (8, 17371459), (14, 9926548), (28, 4963274), (56, 2481637), (251, 553672), (502, 276836), (1004, 138418), (1757, 79096), (2008, 69209), (3514, 39548), (7028, 19774), (9887, 14056)]