216223325

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{4507}}^1$

素因数の和:4637

約数の個数: 24

約数和(自身を含む): 285085920

約数和(自身を除く): 68862595

約数列:

[1, 5, 19, 25, 95, 101, 475, 505, 1919, 2525, 4507, 9595, 22535, 47975, 85633, 112675, 428165, 455207, 2140825, 2276035, 8648933, 11380175, 43244665, 216223325]

約数ペア:

[(1, 216223325), (5, 43244665), (19, 11380175), (25, 8648933), (95, 2276035), (101, 2140825), (475, 455207), (505, 428165), (1919, 112675), (2525, 85633), (4507, 47975), (9595, 22535)]