489439405

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1075691}}^1$

素因数の和:1075716

約数の個数: 16

約数和(自身を含む): 722865024

約数和(自身を除く): 233425619

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 1075691, 5378455, 7529837, 13983983, 37649185, 69919915, 97887881, 489439405]

約数ペア:

[(1, 489439405), (5, 97887881), (7, 69919915), (13, 37649185), (35, 13983983), (65, 7529837), (91, 5378455), (455, 1075691)]