204390256

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{25703}}^1$

素因数の和:25789

約数の個数: 40

約数和(自身を含む): 458970624

約数和(自身を除く): 254580368

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 3976, 7952, 25703, 51406, 102812, 179921, 205624, 359842, 411248, 719684, 1439368, 1824913, 2878736, 3649826, 7299652, 12774391, 14599304, 25548782, 29198608, 51097564, 102195128, 204390256]

約数ペア:

[(1, 204390256), (2, 102195128), (4, 51097564), (7, 29198608), (8, 25548782), (14, 14599304), (16, 12774391), (28, 7299652), (56, 3649826), (71, 2878736), (112, 1824913), (142, 1439368), (284, 719684), (497, 411248), (568, 359842), (994, 205624), (1136, 179921), (1988, 102812), (3976, 51406), (7952, 25703)]