28866565

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{63443}}^1$

素因数の和:63468

約数の個数: 16

約数和(自身を含む): 42634368

約数和(自身を除く): 13767803

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 63443, 317215, 444101, 824759, 2220505, 4123795, 5773313, 28866565]

約数ペア:

[(1, 28866565), (5, 5773313), (7, 4123795), (13, 2220505), (35, 824759), (65, 444101), (91, 317215), (455, 63443)]