28661465

素因数分解:

$5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{4243}}^1$

素因数の和:4448

約数の個数: 16

約数和(自身を含む): 39520128

約数和(自身を除く): 10858663

約数列:

[1, 5, 7, 35, 193, 965, 1351, 4243, 6755, 21215, 29701, 148505, 818899, 4094495, 5732293, 28661465]

約数ペア:

[(1, 28661465), (5, 5732293), (7, 4094495), (35, 818899), (193, 148505), (965, 29701), (1351, 21215), (4243, 6755)]