139018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:173

約数の個数: 16

約数和(自身を含む): 233280

約数和(自身を除く): 94262

約数列:

[1, 2, 11, 22, 71, 89, 142, 178, 781, 979, 1562, 1958, 6319, 12638, 69509, 139018]

約数ペア:

[(1, 139018), (2, 69509), (11, 12638), (22, 6319), (71, 1958), (89, 1562), (142, 979), (178, 781)]