217605275

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{4759}}^1$

素因数の和:4859

約数の個数: 24

約数和(自身を含む): 283315200

約数和(自身を除く): 65709925

約数列:

[1, 5, 25, 31, 59, 155, 295, 775, 1475, 1829, 4759, 9145, 23795, 45725, 118975, 147529, 280781, 737645, 1403905, 3688225, 7019525, 8704211, 43521055, 217605275]

約数ペア:

[(1, 217605275), (5, 43521055), (25, 8704211), (31, 7019525), (59, 3688225), (155, 1403905), (295, 737645), (775, 280781), (1475, 147529), (1829, 118975), (4759, 45725), (9145, 23795)]