13690865

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 18662400

約数和(自身を除く): 4971535

約数列:

[1, 5, 17, 23, 47, 85, 115, 149, 235, 391, 745, 799, 1081, 1955, 2533, 3427, 3995, 5405, 7003, 12665, 17135, 18377, 35015, 58259, 91885, 119051, 161069, 291295, 595255, 805345, 2738173, 13690865]

約数ペア:

[(1, 13690865), (5, 2738173), (17, 805345), (23, 595255), (47, 291295), (85, 161069), (115, 119051), (149, 91885), (235, 58259), (391, 35015), (745, 18377), (799, 17135), (1081, 12665), (1955, 7003), (2533, 5405), (3427, 3995)]