289920988

素因数分解:

$2^2\times 7^1\times {\mathrm{2531}}^1\times {\mathrm{4091}}^1$

素因数の和:6633

約数の個数: 24

約数和(自身を含む): 580212864

約数和(自身を除く): 290291876

約数列:

[1, 2, 4, 7, 14, 28, 2531, 4091, 5062, 8182, 10124, 16364, 17717, 28637, 35434, 57274, 70868, 114548, 10354321, 20708642, 41417284, 72480247, 144960494, 289920988]

約数ペア:

[(1, 289920988), (2, 144960494), (4, 72480247), (7, 41417284), (14, 20708642), (28, 10354321), (2531, 114548), (4091, 70868), (5062, 57274), (8182, 35434), (10124, 28637), (16364, 17717)]