91181285

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 135717120

約数和(自身を除く): 44535835

約数列:

[1, 5, 13, 17, 19, 43, 65, 85, 95, 101, 215, 221, 247, 323, 505, 559, 731, 817, 1105, 1235, 1313, 1615, 1717, 1919, 2795, 3655, 4085, 4199, 4343, 6565, 8585, 9503, 9595, 10621, 13889, 20995, 21715, 22321, 24947, 32623, 47515, 53105, 56459, 69445, 73831, 82517, 111605, 124735, 163115, 180557, 282295, 369155, 412585, 424099, 902785, 959803, 1072721, 1402789, 2120495, 4799015, 5363605, 7013945, 18236257, 91181285]

約数ペア:

[(1, 91181285), (5, 18236257), (13, 7013945), (17, 5363605), (19, 4799015), (43, 2120495), (65, 1402789), (85, 1072721), (95, 959803), (101, 902785), (215, 424099), (221, 412585), (247, 369155), (323, 282295), (505, 180557), (559, 163115), (731, 124735), (817, 111605), (1105, 82517), (1235, 73831), (1313, 69445), (1615, 56459), (1717, 53105), (1919, 47515), (2795, 32623), (3655, 24947), (4085, 22321), (4199, 21715), (4343, 20995), (6565, 13889), (8585, 10621), (9503, 9595)]