399222707

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{31051}}^1$

素因数の和:31130

約数の個数: 16

約数和(自身を含む): 459072768

約数和(自身を除く): 59850061

約数列:

[1, 13, 23, 43, 299, 559, 989, 12857, 31051, 403663, 714173, 1335193, 9284249, 17357509, 30709439, 399222707]

約数ペア:

[(1, 399222707), (13, 30709439), (23, 17357509), (43, 9284249), (299, 1335193), (559, 714173), (989, 403663), (12857, 31051)]