208040456

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{2000389}}^1$

素因数の和:2000408

約数の個数: 16

約数和(自身を含む): 420081900

約数和(自身を除く): 212041444

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 2000389, 4000778, 8001556, 16003112, 26005057, 52010114, 104020228, 208040456]

約数ペア:

[(1, 208040456), (2, 104020228), (4, 52010114), (8, 26005057), (13, 16003112), (26, 8001556), (52, 4000778), (104, 2000389)]