81795205

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 105993216

約数和(自身を除く): 24198011

約数列:

[1, 5, 31, 41, 61, 155, 205, 211, 305, 1055, 1271, 1891, 2501, 6355, 6541, 8651, 9455, 12505, 12871, 32705, 43255, 64355, 77531, 268181, 387655, 399001, 527711, 1340905, 1995005, 2638555, 16359041, 81795205]

約数ペア:

[(1, 81795205), (5, 16359041), (31, 2638555), (41, 1995005), (61, 1340905), (155, 527711), (205, 399001), (211, 387655), (305, 268181), (1055, 77531), (1271, 64355), (1891, 43255), (2501, 32705), (6355, 12871), (6541, 12505), (8651, 9455)]