28748805

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{677}}^1$

素因数の和:853

約数の個数: 32

約数和(自身を含む): 48816000

約数和(自身を除く): 20067195

約数列:

[1, 3, 5, 15, 19, 57, 95, 149, 285, 447, 677, 745, 2031, 2235, 2831, 3385, 8493, 10155, 12863, 14155, 38589, 42465, 64315, 100873, 192945, 302619, 504365, 1513095, 1916587, 5749761, 9582935, 28748805]

約数ペア:

[(1, 28748805), (3, 9582935), (5, 5749761), (15, 1916587), (19, 1513095), (57, 504365), (95, 302619), (149, 192945), (285, 100873), (447, 64315), (677, 42465), (745, 38589), (2031, 14155), (2235, 12863), (2831, 10155), (3385, 8493)]