28031650

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{1553}}^1$

素因数の和:1603

約数の個数: 36

約数和(自身を含む): 55062882

約数和(自身を除く): 27031232

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 361, 475, 722, 950, 1553, 1805, 3106, 3610, 7765, 9025, 15530, 18050, 29507, 38825, 59014, 77650, 147535, 295070, 560633, 737675, 1121266, 1475350, 2803165, 5606330, 14015825, 28031650]

約数ペア:

[(1, 28031650), (2, 14015825), (5, 5606330), (10, 2803165), (19, 1475350), (25, 1121266), (38, 737675), (50, 560633), (95, 295070), (190, 147535), (361, 77650), (475, 59014), (722, 38825), (950, 29507), (1553, 18050), (1805, 15530), (3106, 9025), (3610, 7765)]