257900542

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{1289}}^1\times {\mathrm{1409}}^1$

素因数の和:2771

約数の個数: 16

約数和(自身を含む): 392882400

約数和(自身を除く): 134981858

約数列:

[1, 2, 71, 142, 1289, 1409, 2578, 2818, 91519, 100039, 183038, 200078, 1816201, 3632402, 128950271, 257900542]

約数ペア:

[(1, 257900542), (2, 128950271), (71, 3632402), (142, 1816201), (1289, 200078), (1409, 183038), (2578, 100039), (2818, 91519)]