258527015

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{661}}^1$

素因数の和:887

約数の個数: 32

約数和(自身を含む): 343180800

約数和(自身を除く): 84653785

約数列:

[1, 5, 19, 23, 95, 115, 179, 437, 661, 895, 2185, 3305, 3401, 4117, 12559, 15203, 17005, 20585, 62795, 76015, 78223, 118319, 288857, 391115, 591595, 1444285, 2248061, 2721337, 11240305, 13606685, 51705403, 258527015]

約数ペア:

[(1, 258527015), (5, 51705403), (19, 13606685), (23, 11240305), (95, 2721337), (115, 2248061), (179, 1444285), (437, 591595), (661, 391115), (895, 288857), (2185, 118319), (3305, 78223), (3401, 76015), (4117, 62795), (12559, 20585), (15203, 17005)]