390331396

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1072339}}^1$

素因数の和:1072363

約数の個数: 24

約数和(自身を含む): 840714560

約数和(自身を除く): 450383164

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 1072339, 2144678, 4289356, 7506373, 13940407, 15012746, 27880814, 30025492, 55761628, 97582849, 195165698, 390331396]

約数ペア:

[(1, 390331396), (2, 195165698), (4, 97582849), (7, 55761628), (13, 30025492), (14, 27880814), (26, 15012746), (28, 13940407), (52, 7506373), (91, 4289356), (182, 2144678), (364, 1072339)]