25121305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{691}}^1$

素因数の和:1368

約数の個数: 16

約数和(自身を含む): 32983488

約数和(自身を除く): 7862183

約数列:

[1, 5, 11, 55, 661, 691, 3305, 3455, 7271, 7601, 36355, 38005, 456751, 2283755, 5024261, 25121305]

約数ペア:

[(1, 25121305), (5, 5024261), (11, 2283755), (55, 456751), (661, 38005), (691, 36355), (3305, 7601), (3455, 7271)]