1998415088

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{1236643}}^1$

素因数の和:1236752

約数の個数: 20

約数和(自身を含む): 3910268328

約数和(自身を除く): 1911853240

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 1236643, 2473286, 4946572, 9893144, 19786288, 124900943, 249801886, 499603772, 999207544, 1998415088]

約数ペア:

[(1, 1998415088), (2, 999207544), (4, 499603772), (8, 249801886), (16, 124900943), (101, 19786288), (202, 9893144), (404, 4946572), (808, 2473286), (1616, 1236643)]