217861709

素因数分解:

${\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1\times {\mathrm{877}}^1$

素因数の和:1184

約数の個数: 16

約数和(自身を含む): 238513968

約数和(自身を除く): 20652259

約数列:

[1, 13, 97, 197, 877, 1261, 2561, 11401, 19109, 85069, 172769, 248417, 1105897, 2245997, 16758593, 217861709]

約数ペア:

[(1, 217861709), (13, 16758593), (97, 2245997), (197, 1105897), (877, 248417), (1261, 172769), (2561, 85069), (11401, 19109)]