66420725

素因数分解:

$5^2\times 7^2\times {\mathrm{59}}^1\times {\mathrm{919}}^1$

素因数の和:1002

約数の個数: 36

約数和(自身を含む): 97538400

約数和(自身を除く): 31117675

約数列:

[1, 5, 7, 25, 35, 49, 59, 175, 245, 295, 413, 919, 1225, 1475, 2065, 2891, 4595, 6433, 10325, 14455, 22975, 32165, 45031, 54221, 72275, 160825, 225155, 271105, 379547, 1125775, 1355525, 1897735, 2656829, 9488675, 13284145, 66420725]

約数ペア:

[(1, 66420725), (5, 13284145), (7, 9488675), (25, 2656829), (35, 1897735), (49, 1355525), (59, 1125775), (175, 379547), (245, 271105), (295, 225155), (413, 160825), (919, 72275), (1225, 54221), (1475, 45031), (2065, 32165), (2891, 22975), (4595, 14455), (6433, 10325)]