139203421

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{293}}^1\times {\mathrm{1013}}^1$

素因数の和:1380

約数の個数: 16

約数和(自身を含む): 162175104

約数和(自身を除く): 22971683

約数列:

[1, 7, 67, 293, 469, 1013, 2051, 7091, 19631, 67871, 137417, 296809, 475097, 2077663, 19886203, 139203421]

約数ペア:

[(1, 139203421), (7, 19886203), (67, 2077663), (293, 475097), (469, 296809), (1013, 137417), (2051, 67871), (7091, 19631)]