25217665

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 34618752

約数和(自身を除く): 9401087

約数列:

[1, 5, 11, 41, 53, 55, 205, 211, 265, 451, 583, 1055, 2173, 2255, 2321, 2915, 8651, 10865, 11183, 11605, 23903, 43255, 55915, 95161, 119515, 123013, 458503, 475805, 615065, 2292515, 5043533, 25217665]

約数ペア:

[(1, 25217665), (5, 5043533), (11, 2292515), (41, 615065), (53, 475805), (55, 458503), (205, 123013), (211, 119515), (265, 95161), (451, 55915), (583, 43255), (1055, 23903), (2173, 11605), (2255, 11183), (2321, 10865), (2915, 8651)]