399340802

素因数分解:

$2^1\times 7^1\times {\mathrm{2621}}^1\times {\mathrm{10883}}^1$

素因数の和:13513

約数の個数: 16

約数和(自身を含む): 684908352

約数和(自身を除く): 285567550

約数列:

[1, 2, 7, 14, 2621, 5242, 10883, 18347, 21766, 36694, 76181, 152362, 28524343, 57048686, 199670401, 399340802]

約数ペア:

[(1, 399340802), (2, 199670401), (7, 57048686), (14, 28524343), (2621, 152362), (5242, 76181), (10883, 36694), (18347, 21766)]