989851130

素因数分解:

$2^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{394363}}^1$

素因数の和:394621

約数の個数: 16

約数和(自身を含む): 1788835104

約数和(自身を除く): 798983974

約数列:

[1, 2, 5, 10, 251, 502, 1255, 2510, 394363, 788726, 1971815, 3943630, 98985113, 197970226, 494925565, 989851130]

約数ペア:

[(1, 989851130), (2, 494925565), (5, 197970226), (10, 98985113), (251, 3943630), (502, 1971815), (1255, 788726), (2510, 394363)]