28642690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{647}}^1$

素因数の和:906

約数の個数: 32

約数和(自身を含む): 54587520

約数和(自身を除く): 25944830

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 233, 466, 647, 1165, 1294, 2330, 3235, 4427, 6470, 8854, 12293, 22135, 24586, 44270, 61465, 122930, 150751, 301502, 753755, 1507510, 2864269, 5728538, 14321345, 28642690]

約数ペア:

[(1, 28642690), (2, 14321345), (5, 5728538), (10, 2864269), (19, 1507510), (38, 753755), (95, 301502), (190, 150751), (233, 122930), (466, 61465), (647, 44270), (1165, 24586), (1294, 22135), (2330, 12293), (3235, 8854), (4427, 6470)]