1270781281

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{208907}}^1$

素因数の和:209004

約数の個数: 16

約数和(自身を含む): 1604413440

約数和(自身を除く): 333632159

約数列:

[1, 7, 11, 77, 79, 553, 869, 6083, 208907, 1462349, 2297977, 16085839, 16503653, 115525571, 181540183, 1270781281]

約数ペア:

[(1, 1270781281), (7, 181540183), (11, 115525571), (77, 16503653), (79, 16085839), (553, 2297977), (869, 1462349), (6083, 208907)]