199977988

素因数分解:

$2^2\times 7^1\times {\mathrm{283}}^1\times {\mathrm{25237}}^1$

素因数の和:25531

約数の個数: 24

約数和(自身を含む): 401385152

約数和(自身を除く): 201407164

約数列:

[1, 2, 4, 7, 14, 28, 283, 566, 1132, 1981, 3962, 7924, 25237, 50474, 100948, 176659, 353318, 706636, 7142071, 14284142, 28568284, 49994497, 99988994, 199977988]

約数ペア:

[(1, 199977988), (2, 99988994), (4, 49994497), (7, 28568284), (14, 14284142), (28, 7142071), (283, 706636), (566, 353318), (1132, 176659), (1981, 100948), (3962, 50474), (7924, 25237)]