409668868

素因数分解:

$2^2\times 7^1\times {\mathrm{1427}}^1\times {\mathrm{10253}}^1$

素因数の和:11691

約数の個数: 24

約数和(自身を含む): 819991872

約数和(自身を除く): 410323004

約数列:

[1, 2, 4, 7, 14, 28, 1427, 2854, 5708, 9989, 10253, 19978, 20506, 39956, 41012, 71771, 143542, 287084, 14631031, 29262062, 58524124, 102417217, 204834434, 409668868]

約数ペア:

[(1, 409668868), (2, 204834434), (4, 102417217), (7, 58524124), (14, 29262062), (28, 14631031), (1427, 287084), (2854, 143542), (5708, 71771), (9989, 41012), (10253, 39956), (19978, 20506)]