28477.000000

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:272

約数の個数: 32

約数和(自身を含む): 1880064

約数和(自身を除く): 984274

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 191, 335, 382, 469, 670, 938, 955, 1337, 1910, 2345, 2674, 4690, 6685, 12797, 13370, 25594, 63985, 89579, 127970, 179158, 447895, 895790]

約数ペア:

[(1, 895790), (2, 447895), (5, 179158), (7, 127970), (10, 89579), (14, 63985), (35, 25594), (67, 13370), (70, 12797), (134, 6685), (191, 4690), (335, 2674), (382, 2345), (469, 1910), (670, 1337), (938, 955)]