66862475

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:491

約数の個数: 24

約数和(自身を含む): 84994560

約数和(自身を除く): 18132085

約数列:

[1, 5, 25, 71, 139, 271, 355, 695, 1355, 1775, 3475, 6775, 9869, 19241, 37669, 49345, 96205, 188345, 246725, 481025, 941725, 2674499, 13372495, 66862475]

約数ペア:

[(1, 66862475), (5, 13372495), (25, 2674499), (71, 941725), (139, 481025), (271, 246725), (355, 188345), (695, 96205), (1355, 49345), (1775, 37669), (3475, 19241), (6775, 9869)]