6643825

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:297

約数の個数: 24

約数和(自身を含む): 8838720

約数和(自身を除く): 2194895

約数列:

[1, 5, 19, 25, 71, 95, 197, 355, 475, 985, 1349, 1775, 3743, 4925, 6745, 13987, 18715, 33725, 69935, 93575, 265753, 349675, 1328765, 6643825]

約数ペア:

[(1, 6643825), (5, 1328765), (19, 349675), (25, 265753), (71, 93575), (95, 69935), (197, 33725), (355, 18715), (475, 13987), (985, 6745), (1349, 4925), (1775, 3743)]