211715515

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{29}}^1\times {\mathrm{1097}}^1$

素因数の和:1164

約数の個数: 32

約数和(自身を含む): 289344960

約数和(自身を除く): 77629445

約数列:

[1, 5, 11, 29, 55, 121, 145, 319, 605, 1097, 1331, 1595, 3509, 5485, 6655, 12067, 17545, 31813, 38599, 60335, 132737, 159065, 192995, 349943, 663685, 1460107, 1749715, 3849373, 7300535, 19246865, 42343103, 211715515]

約数ペア:

[(1, 211715515), (5, 42343103), (11, 19246865), (29, 7300535), (55, 3849373), (121, 1749715), (145, 1460107), (319, 663685), (605, 349943), (1097, 192995), (1331, 159065), (1595, 132737), (3509, 60335), (5485, 38599), (6655, 31813), (12067, 17545)]