320415628

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{198769}}^1$

素因数の和:198817

約数の個数: 24

約数和(自身を含む): 623342720

約数和(自身を除く): 302927092

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 198769, 397538, 795076, 2583997, 5167994, 6161839, 10335988, 12323678, 24647356, 80103907, 160207814, 320415628]

約数ペア:

[(1, 320415628), (2, 160207814), (4, 80103907), (13, 24647356), (26, 12323678), (31, 10335988), (52, 6161839), (62, 5167994), (124, 2583997), (403, 795076), (806, 397538), (1612, 198769)]