26989115

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{2131}}^1$

素因数の和:2302

約数の個数: 16

約数和(自身を含む): 34538400

約数和(自身を除く): 7549285

約数列:

[1, 5, 17, 85, 149, 745, 2131, 2533, 10655, 12665, 36227, 181135, 317519, 1587595, 5397823, 26989115]

約数ペア:

[(1, 26989115), (5, 5397823), (17, 1587595), (85, 317519), (149, 181135), (745, 36227), (2131, 12665), (2533, 10655)]