28802705

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{1289}}^1$

素因数の和:1444

約数の個数: 16

約数和(自身を含む): 35758800

約数和(自身を除く): 6956095

約数列:

[1, 5, 41, 109, 205, 545, 1289, 4469, 6445, 22345, 52849, 140501, 264245, 702505, 5760541, 28802705]

約数ペア:

[(1, 28802705), (5, 5760541), (41, 702505), (109, 264245), (205, 140501), (545, 52849), (1289, 22345), (4469, 6445)]