399698876

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{19139}}^1$

素因数の和:19393

約数の個数: 24

約数和(自身を含む): 733138560

約数和(自身を除く): 333439684

約数列:

[1, 2, 4, 23, 46, 92, 227, 454, 908, 5221, 10442, 19139, 20884, 38278, 76556, 440197, 880394, 1760788, 4344553, 8689106, 17378212, 99924719, 199849438, 399698876]

約数ペア:

[(1, 399698876), (2, 199849438), (4, 99924719), (23, 17378212), (46, 8689106), (92, 4344553), (227, 1760788), (454, 880394), (908, 440197), (5221, 76556), (10442, 38278), (19139, 20884)]