138401249

素因数分解:

$7^1\times {\mathrm{97}}^1\times {\mathrm{317}}^1\times {\mathrm{643}}^1$

素因数の和:1064

約数の個数: 16

約数和(自身を含む): 160556928

約数和(自身を除く): 22155679

約数列:

[1, 7, 97, 317, 643, 679, 2219, 4501, 30749, 62371, 203831, 215243, 436597, 1426817, 19771607, 138401249]

約数ペア:

[(1, 138401249), (7, 19771607), (97, 1426817), (317, 436597), (643, 215243), (679, 203831), (2219, 62371), (4501, 30749)]